(1) a race between the two best runners of the club
(2) Who won the race ?
(3) He's already in training for the big race against Bailey.

(1) economic/humanitarian/emergency aid
(2) An extra £10 million in foreign aid has been promised.
(3) aid agencies (= organizations that provide help)

(1) She is very knowledgeable about plants.
(2) We employ friendly and knowledgeable staff.
(3) If you don't know much about cars, take a knowledgeable friend along.

(1) Read through your work and correct any mistakes that you find.
(2) [不可数名词]The correctness of this decision may be doubted.
(3) He was looking correctly grave.

(1) Sadly, the film is let down by an excessively simple plot.
(2) He let down the tailgate so the dog could jump out.
(3) But then to be let down like that, oh it's so unfair!

(1) It hurt me to think that he would lie to me.
(2) I didn't want to hurt his feelings .
(3) I'm sorry, I didn't mean to hurt you.

(1) a knee injury
(2) I grazed my knee when I fell.
(3) He went down on one knee and asked her to marry him.

(1) She helpfully suggested that I try the local library.
(2) The staff couldn't have been more helpful.
(3) I called the police but they weren't very helpful.

(1) You must ask permission for all major expenditure.
(2) The school has been refused permission to expand.
(3) No official permission has been given for the event to take place.

(1) Does it bother you that she earns more than you?
(2) It bothers me to think of her alone in that big house.
(3) Stop bothering me when I'm working.

(1) Her work involved more than administration of first aid to the wounded.
(2) We all know first aid.
(3) Always keep a first - aid kit handy .

(1) a room set aside for private study
(2) academic/literary/scientific, etc. study
(3) It is important to develop good study skills .

(1) She tied the newspapers in a bundle.
(2) He had to tie her hands together.
(3) They tied him to a chair with cable.

(1) Sounds of voices and commotion could be heard downstairs now.
(2) The downstairs of the two little houses had been entirely refashioned.
(3) He was in an argument with his landlord downstairs.

(1) I helped him put up some shelves in his bedroom.
(2) The book I wanted was on the top shelf.
(3) supermarket/library shelves

(1) a cry of pain
(2) She was clearly in a lot of pain .
(3) He felt a sharp pain in his knee.

(1) You'll have the opportunity to ask any questions at the end.
(2) There was no opportunity for further discussion.
(3) At least give him the opportunity of explaining what happened.

(1) She was in a relaxed, confident mood.
(2) The teacher wants the children to feel confident about asking questions when they don't understand.
(3) I'm confident that you will get the job.

(1) The book comes out this week...
(2) Christian Slater has a new movie coming out next month in which he plays a vigilante.
(3) The truth is beginning to come out about what happened...

(1) pimply skin
(2) a pimply youth
(3) ...spots and pimples...

(1) a large circle of friends
(2) Seagulls circled around above his head.
(3) The plane circled the airport to burn up excess fuel.

(1) His constant joking was beginning to annoy her.
(2) It really annoys me when people forget to say thank you.
(3) It annoys me to see him getting ahead of me.

(1) I like to think I'm relatively easy to get along with.
(2) It's impossible to get along with him.
(3) get along with you. It's a cock and bull story.

(1) an energetic supporter
(2) The heart responds well to energetic exercise.
(3) For the more energetic (= people who prefer physical activities) , we offer windsurfing and diving.

(1) A welcoming fire was burning in the fireplace.
(2) Fires were burning all over the city.
(3) By nightfall the whole city was burning.

(1) Before long, we were deep in conversation.
(2) Peter gave him a long deep look.
(3) Cal took a long, deep breath, struggling to control his own emotions...

(1) an eye exam
(2) (North Amercian English)She did well on her exams .
(3) (British English)She did well in her exams .

(1) Professor own also put a black silk umbrella caught in the years between.
(2) History is well taught in that school.
(3) She taught us how to conduct experiments.

(1) "Do you worry about ageing?"— 'Not in the slightest.'
(2) He was not in the slightest degree interested, ie was completely uninterested.
(3) I would be delighted and not in the slightest bit envious.

(1) Her mother lived in a nearby town.
(2) There were complaints from nearby residents.
(3) They live nearby.

(1) Our plan succeeded.
(2) He succeeded in getting a place at art school.
(3) I tried to discuss it with her but only succeeded in making her angry (= I failed and did the opposite of what I intended) .

(1) a fairly easy book
(2) a fairly typical reaction
(3) I know him fairly well, but I wouldn't say we were really close friends.

(1) volunteer helpers
(2) Schools need volunteers to help children to read.
(3) Are there any volunteers to help clear up?

(1) These items are not covered by your medical insurance...
(2) Make sure that the firm's insurance cover is adequate.
(3) The law covers four categories of experiments...

(1) She wants a room all to herself.
(2) She runs the business by herself.
(3) She lives by herself.

(1) medical/historical/scientific, etc. research
(2) to do/conduct/undertake research
(3) He has carried out extensive research into renewable energy sources.

(1) Several of the members have come up with suggestions of their own...
(2) 30 years ago, scientists came up with the theory that protons and neutrons are composed of three smaller particles.
(3) If Warren can come up with the $15 million, we'll go to London.

(1) to reply to a question/an advertisement
(2) He never replied to any of my letters.
(3) She only replied with a smile.

(1) a realistic assessment
(2) We have to be realistic about our chances of winning.
(3) It is not realistic to expect people to spend so much money.

(1) I used to stay up late with my mom and watch movies.
(2) He has to wear a belt to make his trousers stay up.
(3) Sanger has to stay up tonight, for there is a lot of homework to do.