(1) They behave differently when you're not around.
(2) Will you kids just behave!
(3) She doesn't know how to behave in public.

(1) a child of the 90s
(2) They can't have children .
(3) a support group for adult children of alcoholics

(1) The campaign is designed to increase public awareness of the issues.
(2) Levels of waste from the factory may be a danger to public health.
(3) Why would the closure of hospitals be in the public interest (= useful to ordinary people) ?

(1) the front/back door (= at the entrance at the front/back of a building)
(2) the bedroom door
(3) the door frame

(1) I could hear voices in the next room.
(2) to speak in a deep/soft/loud/quiet, etc. voice
(3) ‘I promise, ’ she said in a small voice (= a quiet, shy voice) .

(1) I can recommend the chef's dish of the day .
(2) a soap dish
(3) What a dish!

(1) She smiled, politely rather than with tenderness or gratitude.
(2) The audience are strangely subdued, clapping politely after each song.
(3) "Here's the taxi," she said politely.

(1) I resigned myself to a long wait in line.
(2) It's not very exciting to wait in line at the post office.
(3) We like to go to the movies, but we hate to wait in line for tickets.

(1) You have to learn to take care of your possessions.
(2) Don't worry yourself about me, I can take care of myself.
(3) I take care of them to the best of my abilities.

(1) the olympic committee prepared a lot of remembrances for the foreign guests.
(2) Jeff: Do you know when the olympic committee put forward the issue of environmental protection?
(3) the olympic committee has drawn up strict rules for the athletes to go by.

(1) It was my turn to a ticket when someone cut in line.

(1) "Thank you very much for speaking with us." — "not at all."
(2) He's not at all worried about his car's reliability.
(3) "Sorry. I sound like Abby, don't I?" — "No. not at all."

(1) Some people think it is impolite to ask someone's age.
(2) It is impolite to ask too many questions.
(3) It would be most ungracious and impolite to refuse a simple invitation to supper with him.

(1) ‘Are you going to come? ’ ‘perhaps. I'll see how I feel. ’
(2) perhaps he's forgotten.
(3) This is perhaps his best novel to date.

(1) advice on etiquette
(2) medical/legal/professional etiquette
(3) This was such a great breach of etiquette, he hardly knew what to do.

(1) I can do them for you right away.
(2) She heard smile through tears, throwing ground paper right away into litter bag.
(3) Somebody call an ambulance , right away!

(1) uncomfortable shoes
(2) I couldn't sleep because the bed was so uncomfortable.
(3) I was sitting in an extremely uncomfortable position.

(1) She had been working in a pub, cooking and waitressing.
(2) I will ask a waitress to show you the way.
(3) A waitress arrived with the wine they had ordered.

(1) I've been sneezing all morning.
(2) In those days, $20 was not a sum to be sneezed at.
(3) coughs and sneezes

(1) I did not blame him for feeling put out...
(2) He was plainly very put out at finding her there.
(3) What do you like to do in your spare time?

(1) He picked his cap up from the floor and stuck it back on his head...
(2) Ridley picked up a pencil and fiddled with it.
(3) Anthony picked himself up and set off along the track.

(1) cigarette smoke
(2) Clouds of thick black smoke billowed from the car's exhaust.
(3) Are you coming outside for a smoke?

(1) a technical/legal/scientific, etc. term
(2) a term of abuse
(3) ‘Register ’ is the term commonly used to describe different levels of formality in language.

(1) Attempts to find a solution have failed.
(2) There's no simple solution to this problem.
(3) Do you have a better solution?

(1) discounts on televisions, stereos and much more besides
(2) I don't really want to go. besides, it's too late now.
(3) I've got no family besides my parents.

(1) I waited a long time for him to return.
(2) She's returning to Australia tomorrow after six months in Europe.
(3) I returned from work to find the house empty.

(1) election posters
(2) a poster campaign (= an attempt to educate people about sth by using posters )
(3) posters of her favourite pop stars

(1) Draw a line down that page's center.
(2) ...a dotted line...
(3) He has a large, generous face with deep lines.

(1) a carpenter's bench
(2) a park bench
(3) His lawyer turned to address the bench.

(1) Please be polite to our guests.
(2) We were all too polite to object.
(3) I don't know how to make polite conversation .

(1) Shirley's brother is now a consultant heart surgeon in sweden.
(2) We were happy to come away with a draw against sweden.
(3) A variety of Russian goods are forwarded through sweden.

(1) There will be fines for people who drop litter .
(2) The floor was covered with a litter of newspapers, clothes and empty cups.
(3) cat litter

(1) the prison yard
(2) The children were playing in the yard at the front of the school.
(3) a boat yard

(1) quite/perfectly (= completely) normal
(2) Her temperature is normal.
(3) It's normal to feel tired after such a long trip.

(1) Would you turn down $7,000,000 to appear nude in a magazine?
(2) He didn't have the heart to [ couldn't bear to ] turn down their request.
(3) He'd turn down even men better placed than you.

(1) The photograph showed him to advantage.
(2) He took advantage of my generosity (= for example, by taking more than I had intended to give) .
(3) A small car has the added advantage of being cheaper to run.

(1) She was still half asleep (= not fully awake) when she arrived at work.
(2) The police found him asleep in a garage.
(3) He was so exhausted that he fell asleep at his desk.

(1) keep down or you'll be hit by shell fragments.
(2) They hoe the garden to keep down the weeds.
(3) She is managing to keep down her spending.

(1) to perform/carry out/complete/undertake a task
(2) a daunting/an impossible/a formidable/an unenviable, etc. task
(3) a thankless task (= an unpleasant one that nobody wants to do and nobody thanks you for doing)

(1) The climber slipped and dropped to his death.
(2) Temperatures can drop to freezing at night...
(3) Once the rate rises it never drops back to its previous level...