(1) medical advances/care/research
(2) her medical condition/history/records
(3) the medical profession

(1) an ants' nest
(2) an ant colony
(3) ants swarmed up out of the ground and covered her shoes and legs.

(1) a place where children can play in safety
(2) The police are concerned for the safety of the 12-year-old boy who has been missing for three days.
(3) He was kept in custody for his own safety .

(1) My job was to chase up late replies.
(2) The thieves were caught by police after a short chase.
(3) a high-speed car chase

(1) Don't worry . We have plenty of time.
(2) Don't worry about me. I'll be all right.
(3) He's always worrying about his weight.

(1) hemingway's studio is to the right.
(2) hemingway complained that Nichols had "botched everything up".
(3) hemingway suppresses emtion, Wolfe engulfs the reader in feeling.

(1) He always goes to bed at ten─he's a creature of habit (= he likes to do the same things at the same time every day) .
(2) The dormouse is a shy, nocturnal creature.
(3) respect for all living creatures

(1) She was anxious that he should meet her father.
(2) to ask/look/wait anxiously
(3) Residents are anxiously awaiting a decision.

(1) what if it rained and then froze all through those months?
(2) So what if sometimes they stayed rather late, it doesn't mean anything.
(3) "what if I had said no?" "About the apartment, you mean?"

(1) Beethoven's Fifth symphony
(2) Mozart's symphonic works
(3) In the symphony of success, excuses are just noise.

(1) a population of half a million
(2) tens of millions of dollars
(3) It must be worth a million (= pounds, dollars, etc.)

(1) He barked questions at her.
(2) You're barking up the wrong tree if you're expecting us to lend you any money.
(3) a bark of laughter

(1) mark twain is a pseudonymity for Samuel Langhorne Clemens.
(2) To my mind, mark twain was beyond question the large man of his time.
(3) Then mark twain went to sleep.

(1) to treat people with respect/consideration/suspicion, etc.
(2) treat your keyboard with care and it should last for years.
(3) My parents still treat me like a child.

(1) She found it extremely difficult to get a job.
(2) extremely important/useful/complicated
(3) My mobile phone is extremely useful...

(1) The melting has already threatened native animals like the polar bear.
(2) This photo released by the Assiniboine Park Zoo shows Debby the polar bear.
(3) Or I'd go to Arctic and I'd slaughter a polar bear.

(1) Go on, ask her; she can hardly refuse.
(2) He flatly refused to discuss the matter.
(3) She refused to accept that there was a problem.

(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...

(1) Where do these plates belong (= where are they kept) ?
(2) Are you sure these documents belong together?
(3) I don't feel as if I belong here.

(1) strong/high winds
(2) gale-force winds
(3) a light wind

(1) He pressed his back against the door...
(2) They pressed the silver knife into the cake.
(3) Drago pressed a button and the door closed...

(1) But fred was bored and desired to go home.
(2) Ladies and Gentlemen, give it up for fred Durst.
(3) fred and Volodia sweltered at night in the stuffy, crowded cabins.

(1) Following her recent appointment to the post…
(2) his appointment as principal
(3) a permanent/first appointment

(1) Reply to Publicity Department, FREEPOST, oxford university Press, Oxford.
(2) The oxford university was honoured by the inspection of the Emperor.
(3) Hays, Mary. Memoirs of Emma Courtney. Oxford: oxford university Press, 2001.

(1) Do not attempt to repair this yourself.
(2) The prisoners attempted an escape, but failed.
(3) I will attempt to answer all your questions.

(1) Who is your favourite author?
(2) He is the author of three books on art.
(3) best-selling author Joan Collins

(1) a good listener (= sb who you can rely on to listen with attention or sympathy)
(2) I'm a regular listener to her show...
(3) Each week Dr Buczacki chooses a listener's question and gives a detailed answer.

(1) Do wolves belong to the canine species?
(2) He did not belong to his set of friends.
(3) Under federal law, the lands under navigable waters belong to states.

(1) There were plenty of servants to wait on her.
(2) She is in the fortunate position of having plenty of choice.
(3) Are there plenty of fresh fruits and vegetables in your diet?

(1) Don't look so worried!
(2) I'm not worried about her─she can take care of herself.
(3) Doctors are worried about the possible spread of the disease.

(1) When he was fishing off the island he was caught in a storm and almost drowned...
(2) Visitors to the area were caught between police and the rioters.
(3) The Jordanian leader is caught between both sides in the dispute...

(1) Come here, you cheeky little monkey!
(2) She's such a little monkey.
(3) Since vaccinia may cure smallpox, then monkey?

(1) net curtains
(2) fishing nets
(3) a mosquito net (= used to protect you from mosquitoes )

(1) the sound of footsteps on the stairs
(2) footsteps in the snow
(3) I heard footsteps outside.

(1) He offered $4 000 for the car.
(2) Josie had offered her services as a guide.
(3) He offered some useful advice.

(1) the depths of the ocean
(2) People were swimming in the ocean despite the hurricane warning.
(3) The plane hit the ocean several miles offshore.

(1) The competition attracted over 500 contestants representing 8 different countries.
(2) Local businesses are well represented on the committee (= there are a lot of people from them on the committee) .
(3) The President was represented at the ceremony by the Vice-President.

(1) a rattling noise
(2) What's that noise?
(3) Don't make a noise .

(1) It is one of the great unsolved mysteries of this century.
(2) Their motives remain a mystery.
(3) It's a complete mystery to me why they chose him.

(1) It was an experience I will treasure for the rest of my life...
(2) I'm going to throw a party, then invest the rest of the money...
(3) ...a man with nice clothes, a Range Rover and the rest...