(1) a pair of sunglasses
(2) She slipped on a pair of sunglasses.
(3) So I like rings, scarfs and sunglasses.

(1) to follow/obey/observe the rules
(2) It's against all rules and regulations .
(3) to break a rule (= not follow it)

(1) They obey the one unwritten rule that binds them all—no talking.
(2) no talking after lights out.
(3) no talking after lights are out.

(1) a document wallet
(2) He had left his wallet on the table, so I went after him.
(3) Hey, you dropped your wallet.

(1) What nice sports shoes, Mr Chen!
(2) I'm putting on my sports shoes.
(3) What do you think of the current sales of sports shoes in overseas markets?

(1) classroom activities
(2) the use of computers in the classroom
(3) There are thirty people in the classroom, counting the teacher.

(1) dr. Johnson and I have been trying to build him up physically.
(2) Dr Ryan travelled the world gathering material for his book.
(3) dr. Mesibov set forth the basis of his approach to teaching students.

(1) Do you have to hum so loudly? (= it is annoying)
(2) Of course, it had to start raining as soon as we got to the beach.
(3) This war has got to end soon.

(1) ...the classic '70s TV sitcom 'Rising Damp'.
(2) Q : Quite different to life on a sitcom then ?
(3) This sitcom is produced in cooperation with Hong Kong TV.

(1) See you later.
(2) I met her again three years later.
(3) His father died later that year.

(1) Narrow corridors lead off from the main hallway.
(2) Other dorms have rooms along at a common hole way hallway.
(3) After I crossed the threshold of the conference hall, I collapsed in the university hallway.

(1) I work out at the gym most days.
(2) I just joined a gym.
(3) gym shoes

(1) The outside of the house needs painting.
(2) You can't open the door from the outside.
(3) I walked around the outside of the building.

(1) Ask and answer questions about the people in the soap opera said.
(2) The family and boardroom saga had all the trappings of a soap opera.
(3) What a sensational story! It has all the elements of a soap opera.

(1) This allowed ms. Kelley to lay aside money to start her business.
(2) ms Senatorova showed an instinctive feel for market economics.
(3) ms Carey appeared to blame her breakdown on EMI's punishing work schedule.

(1) to be in a difficult situation
(2) You could get into a situation where you have to decide immediately.
(3) We have all been in similar embarrassing situations.

(1) She was standing beside my bed staring down at me...
(2) They told me to stand still and not to turn round...
(3) Becker stood and shook hands with Ben.

(1) We should take some comfort from the ability of the judicial system to fight back against corruption.
(2) The teenage attackers fled when the two men fought back...
(3) He is still fighting for his life in hospital.

(1) What do you like to do in your spare time?
(2) The kitchen's off the dining room.
(3) I shouldn't be dining in college tonight. Would you mind signing me out?

(1) by eight o'clock he had arrived at my hotel...
(2) We all knew by then that the affair was practically over.
(3) by day a woman could safely walk the streets, but at night the pavements became dangerous...

(1) Haddon hall
(2) She's living in hall(s) .
(3) (British English)A jumble sale will be held in the village hall on Saturday.

(1) soap and water
(2) a bar/piece of soap
(3) soap bubbles

(1) These jeans need washing.
(2) to wash the car
(3) to wash your hands