(1) a nuclear physicist
(2) ...a nuclear physicist.
(3) Make much mathematician, physicist, astronomer wait to be enrolled to enter Microsoft.

(1) In april 1944 he was killed on active service.
(2) The present assembly will be dissolved on april 30th.
(3) Millions of wild flowers colour the valleys, especially in april and May.

(1) economic activity
(2) The streets were noisy and full of activity.
(3) Muscles contract and relax during physical activity.

(1) We keep all our glass and china in this cupboard.
(2) She has a fine collection of Bohemian glass.
(3) In case of emergency, break the glass and press the button.

(1) a hugely/immensely popular singer
(2) This is one of our most popular designs.
(3) Skiing has become very popular recently.

(1) criminal gang members and drug dealers
(2) a gang of pickpockets
(3) A four-man gang carried out the robbery.

(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) mineral deposits/extraction
(2) the recommended intake of vitamins and minerals
(3) Soft drinks and minerals sold here.

(1) (informal)I can't decide. I'll have to ask the governor (= the man in charge, who employs sb) .
(2) the governor of the Bank of England
(3) a prison governor

(1) They entertain on a large scale (= they hold expensive parties with a lot of guests) .
(2) Here was corruption on a grand scale .
(3) On a global scale, 77% of energy is created from fossil fuels.

(1) She could not recall his name.
(2) If I recall correctly, he lives in Luton.
(3) I can't recall meeting her before.

(1) a trail of blood
(2) tourists who leave a trail of litter everywhere they go
(3) The hurricane left a trail of destruction behind it.

(1) No matter how you drill into the catalog, eventually you'll arrive at a list of products.
(2) Please provide us your company catalog.
(3) Do you have a catalog with the price list?

(1) A crowd began to collect in front of the embassy.
(2) Dirt had collected in the corners of the room.
(3) We seem to have collected an enormous number of boxes (= without intending to) .

(1) The society admits all US citizens over 21.
(2) Each ticket admits one adult.
(3) The narrow windows admit little light into the room.

(1) an oak tree
(2) to plant a tree
(3) to chop/cut down a tree

(1) pipes covered with rust
(2) rust spots
(3) a rust-coloured dress

(1) social issues/problems/reforms
(2) a call for social and economic change
(3) social class/background

(1) Why should I apologize?
(2) Go and apologize to her.
(3) We apologize for the late departure of this flight.

(1) a high/low score
(2) What's the score now?
(3) Against which country did Ian Wright score his first international goal?...

(1) Not brilliant, Robyn, but I'll give you ten out of ten for effort.
(2) ten to one he'll be late.
(3) Over the past ten years things have changed.

(1) Neil Armstrong is the first astronaut to walk on the moon.
(2) When does a boxer look like an astronaut?
(3) The astronaut was welcomed with joyous , resounding acclaim.

(1) He handed each of them a shilling.
(2) The old woman disliked her eldest son, and she cut him off with a shilling.
(3) There are only one shilling and two sixpences in my purse.

(1) a front/back garden
(2) children playing in the garden
(3) garden flowers/plants

(1) He shifted his position from the horizontal.
(2) Cut the cake in half horizontally and spread jam on one half.
(3) horizontal lines

(1) She comes of a very good family.
(2) Some good might come of all this gloomy business...
(3) There is a feeling of power that comes from driving fast...

(1) Cars have become an indispensable part of our lives.
(2) She made herself indispensable to the department.
(3) A good dictionary is indispensable for learning a foreign language.

(1) She rubbed her chin thoughtfully.
(2) rub the surface with sandpaper before painting.
(3) The cat rubbed itself against my legs.

(1) skilled personnel
(2) sales/technical/medical/security/military, etc. personnel
(3) the personnel department/manager

(1) 'I'm sorry,' he said...
(2) She said they were very impressed...
(3) I would just like to say that this is the most hypocritical thing I have ever heard in my life...

(1) practical/medical/scientific knowledge
(2) He has a wide knowledge of painting and music.
(3) There is a lack of knowledge about the tax system.

(1) A clay mould is used for casting bronze statues.
(2) Pour the chocolate into a heart-shaped mould.
(3) They broke the mould when they made you (= there is nobody like you) .

(1) He has been given to believe that there may be a future for him and Maria together.
(2) For the first time in 12 years, the Democrats are giving as good as they get.
(3) I'd give anything to be like you.

(1) The winners of the competition will be announced next month.
(2) There are no winners in a divorce (= everyone suffers) .
(3) I think your idea is a winner.

(1) Go and wash your hands in the bathroom.
(2) I have to go to the bathroom (= use the toilet) .
(3) Where's the bathroom? (= for example in a restaurant)

(1) They were too poor to buy shoes for the kids.
(2) We aim to help the poorest families.
(3) It's among the poorer countries of the world.

(1) These cars are built by robots.
(2) Turn left at the first robot.
(3) ...very light-weight robots that we could send to the moon for planetary exploration.

(1) It is reasonable to assume that he knew beforehand that this would happen.
(2) Be reasonable! We can't work late every night.
(3) Any reasonable person would have done exactly as you did.

(1) The aim is to give people more power over their own lives.
(2) He has the power to make things very unpleasant for us.
(3) to have sb in your power (= to be able to do what you like with sb)

(1) This dessert can be served straight from the refrigerator.
(2) He took the liberty of using my refrigerator while I was away.
(3) This is the right fuse for the refrigerator.