(1) We dug a deep pit in the yard.
(2) The body had been dumped in a pit.
(3) a chalk/gravel pit

(1) the relative simplicity of the new PC
(2) For the sake of simplicity , let's divide the discussion into two parts.
(3) the simplicity of the architecture

(1) to refute an argument/a theory, etc.
(2) She refutes any suggestion that she behaved unprofessionally.
(3) [可数名词, 不可数名词]a refutation of previously held views

(1) There will be a run-off between these two candidates on december 9th.
(2) Last december they hunted down and killed one of the gangsters.
(3) The sides must battle again for a quarter-final place on december 16.

(1) a football/sports stadium
(2) an all-seater stadium
(3) ...a baseball stadium.

(1) The decision was based upon two considerations.
(2) mile upon mile of dusty road
(3) thousands upon thousands of letters

(1) She was condemned to hang for killing her husband.
(2) They were condemned to a life of hardship.
(3) He was condemned to spend the rest of the football season on the bench.

(1) The programme was about customs in different parts of the country.
(2) They are sold in many different colours.
(3) I looked it up in three different dictionaries.

(1) She wore a small gold cross on a chain around her neck.
(2) Those who could not write signed with a cross.
(3) Sign your name on the form where I've put a cross.

(1) the Second World war
(2) the threat of (a) nuclear war
(3) to win/lose a/the war

(1) Answers are given on the opposite page.
(2) We live further down on the opposite side of the road.
(3) It's not easy having a relationship when you live at opposite ends of the country.

(1) ‘How many do you need? ’ ‘A lot. ’
(2) Have some more cake. There's lots left.
(3) She still has an awful lot (= a very large amount) to learn.

(1) a super meal
(2) We had a super time in Italy.
(3) She was super (= very kind) when I was having problems.

(1) He is motivated entirely by self-interest.
(2) She's very good at motivating her students.
(3) The plan is designed to motivate employees to work more efficiently.

(1) popular holiday destinations like the Bahamas
(2) to arrive at/reach your destination
(3) Our luggage was checked all the way through to our final destination .

(1) As babies, we rely entirely on others for food.
(2) These days we rely heavily on computers to organize our work.
(3) The industry relies on the price of raw materials remaining low.

(1) The costumes are on hire from the local theatre.
(2) The price includes the hire of the hall.
(3) a car hire firm

(1) a rectangular shape
(2) The pool was in the shape of a heart.
(3) The island was originally circular in shape .

(1) I never found the missing piece.
(2) My gloves have been missing for ages.
(3) Two files have gone missing .

(1) a hot water tank
(2) a fuel tank
(3) a fish tank (= for keeping fish in)

(1) a lack of food/money/skills
(2) The trip was cancelled through lack of (= because there was not enough) interest.
(3) There was no lack of volunteers.

(1) This party would bitterly oppose the re-introduction of the death penalty.
(2) He threw all those that opposed him into prison.
(3) I would oppose changing the law.

(1) a vast area of forest
(2) a vast crowd
(3) a vast amount of information

(1) They start work at dawn .
(2) It's almost dawn.
(3) We arrived in Sydney as dawn broke (= as the first light could be seen) .

(1) [不可数名词]the study of radioactivity
(2) a rise in the level of radioactivity
(3) The government has been storing radioactive waste at Fernald for 50 years.

(1) The railway is still under construction.
(2) a disused railway
(3) Her father worked on the railways.

(1) a key/sensitive/controversial issue
(2) This is a big issue ; we need more time to think about it.
(3) She usually writes about environmental issues.

(1) the components of a machine
(2) the car component industry
(3) Key components of the government's plan are…

(1) noisy children/traffic/crowds
(2) a noisy protest (= when people shout)
(3) The engine is very noisy at high speed.

(1) warm moist air
(2) a rich moist cake
(3) Water the plants regularly to keep the soil moist.

(1) the director of education
(2) the musical director
(3) a regional director

(1) to work for a business/political/voluntary organization
(2) the World Health organization
(3) He's the president of a large international organization.

(1) I've got a piano lesson later today.
(2) The exams start a week today/today week (= one week from now) .
(3) Young people today face a very difficult future at work.

(1) a bank/hotel manager
(2) the sales/marketing/personnel manager
(3) a meeting of area managers

(1) I'll ask my boss if I can have the day off.
(2) I like being my own boss (= working for myself and making my own decisions) .
(3) Who's the boss (= who's in control) in this house?

(1) The atlantic coast is within sight of the hotel.
(2) atlantic City is the hot favourite to stage the fight.
(3) A tropical storm is gaining strength in the eastern atlantic.

(1) I think this band is going to be huge.
(2) This is going to be a huge problem for us.
(3) The party was a huge success.

(1) primitive tribes
(2) primitive beliefs
(3) primitive man

(1) Reports conflicted on how much of the aid was reaching the famine victims.
(2) These results conflict with earlier findings.
(3) conflicting emotions/interests/loyalties

(1) an uneven road surface
(2) We'll need a flat surface to play the game on.
(3) Teeth have a hard surface layer called enamel.