(1) a qualified/registered nurse
(2) student nurses
(3) a male nurse

(1) the largest computer company in the world
(2) the National Bus company
(3) She joined the company in 2002.

(1) He left between five and six o'clock.
(2) at/after/before eleven o'clock
(3) The trouble began just after ten o'clock last night...

(1) the indirect effects of the war
(2) to find something out by indirect methods
(3) The building collapsed as an indirect result of the heavy rain.

(1) The long sleep had refreshed her.
(2) He refreshed himself with a cool shower.
(3) Let me refresh your glass.

(1) I'm changing my email address but for the meantime you can use the old one.
(2) My first novel was rejected by six publishers. In the meantime I had written a play.
(3) I'll contact them soon. meantime don't tell them I'm back.

(1) She went to visit relatives in Wales.
(2) The Prime Minister is visiting Japan at the moment.
(3) You should visit your dentist at least twice a year.

(1) national security (= the defence of a country)
(2) airport security
(3) They carried out security checks at the airport.

(1) Carefully pull out the centre pages...
(2) He took out his notebook and flipped the pages...
(3) It's hot out — very hot, very humid.

(1) The company is moving to new offices on the other side of town.
(2) Are you going to the office today?
(3) an office job

(1) a criminal/murder/police investigation
(2) The police have completed their investigations into the accident.
(3) She is still under investigation .

(1) That may or may not be true.
(2) We may have some rain today...
(3) Rates may rise, but it won't be by much and it won't be for long...

(1) Huge waves were breaking on the shore.
(2) Surfers flocked to the beach to ride the waves .
(3) the gentle sound of waves lapping

(1) intensity of light/sound/colour
(2) intensity of feeling/concentration/relief
(3) He was watching her with an intensity that was unnerving.

(1) We'll buy everything you produce, provided of course the price is right.
(2) provided that you have the money in your account, you can withdraw up to £100 a day.
(3) The other banks are going to be very eager to help, provided that they see that he has a specific plan...

(1) to fill a car up with petrol
(2) to run out of petrol
(3) the petrol tank of a car

(1) Anyone willing to assist can contact this number.
(2) We are looking for people who would be willing to assist in the group's work.
(3) activities that will assist the decision-making process

(1) Julie and Mark, aged 17 and 19 respectively
(2) Their sons, Ben and Jonathan, were three and six respectively...
(3) They finished first and second respectively.

(1) documented evidence
(2) legal documents
(3) travel documents

(1) She felt the warmth of his arms around her.
(2) The animals huddled together for warmth.
(3) He led the child into the warmth and safety of the house.

(1) There was a triumphant glitter in his eyes.
(2) the superficial glitter of show business
(3) gold/silver glitter

(1) The paintings were concealed beneath a thick layer of plaster.
(2) For a long time his death was concealed from her.
(3) Tim could barely conceal his disappointment.

(1) She was chosen for the first eleven.
(2) ...the Princess and her eleven friends.
(3) He is in the eleven.

(1) Do you need any help?
(2) It's here if you need it.
(3) Don't go─I might need you.

(1) Water covers a large proportion of the earth's surface.
(2) Loam is a soil with roughly equal proportions of clay, sand and silt.
(3) The proportion of regular smokers increases with age.

(1) Their names were called over the loudspeaker .
(2) The new version will also microphone and loudspeaker.
(3) The loudspeaker is too loud and thus a bit noisy.

(1) a pair of shoes
(2) He took his shoes and socks off.
(3) What's your shoe size?

(1) The submarine had had time to submerge before the warship could approach.
(2) The fields had been submerged by floodwater.
(3) Doubts that had been submerged in her mind suddenly resurfaced.

(1) The heavy rain has caused floods in many parts of the country.
(2) flood damage
(3) Police have issued flood warnings for Nevada.

(1) Why waste £50 when you could get it for free?
(2) I wasn't expecting you to do it for free...
(3) If you have any questions at all, please feel free to ask me.

(1) in the autumn of 2004
(2) in early/late autumn
(3) the autumn term (= for example at a school or college in Britain)

(1) There are several different hunts in the area.
(2) a hunt meeting
(3) a tiger hunt

(1) the velocity of light
(2) to gain/lose velocity
(3) a high-velocity rifle

(1) It is possible to get there by bus.
(2) Would it be possible for me to leave a message for her?
(3) This wouldn't have been possible without you.

(1) I am planning a 25th birthday party for my nephew.
(2) My nephew, George, has a box but it is always empty.
(3) He was my wife's nephew.

(1) a research scientist
(2) nuclear scientists
(3) scientists and engineers

(1) She is still weak after her illness.
(2) His legs felt weak.
(3) She suffered from a weak heart.

(1) He's still living with his parents.
(2) her adoptive parents
(3) Sue and Ben have recently become parents.

(1) to have a vague impression/memory/recollection of sth
(2) They had only a vague idea where the place was.
(3) She's a little vague about her plans for next year.

(1) What do you really think about it?
(2) Tell me what really happened.
(3) They are not really my aunt and uncle.