Many countries are increasing their use of natural gas, wind and other forms of__________.

A. energy　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　   B. source

C. power　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D. material

The number of people invited __________fifty, but a number of them __________absent for different reasons.

A. were; was　　　　　　　　　　　　　　　　　　　　　　　　   B. was; was

C. was; were　　　　　　　　　　　　　　　　　　　　　　　　   D. were; were

She goes over all her lessons once a week and the job __________her three hours.

A. spends　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　   B. takes

C. spares　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D. lasts

Put the flowers in warm rooms to __________them __________the freezing cold.

A. stop; from　　　　　　　　　　　　　　　　　　　　　　　　   B. keep; from

C. protect; from　　　　　　　　　　　　　　　　　　　　　　   D. rescue; off

—I’m traveling to London by bicycle. See you next week.

—See you, and__________.

A. good luck with your trip

B. take it easy

C. it certainly will be happy

D. make yourself comfortable

Many people came to the meeting, of whom __________left early.

A. number

B. the numbers

C. the number

D. a number

The sick man’s life had been__________, but now he was__________.

A. in danger; out of danger

B. in the danger; out of the danger

C. in dangers; out of dangers

D. in a danger; out of a danger

Our teacher, Mr. Brown, has a very old camera. He often lets us __________it, taking pictures here and there.

A. make turns to use

B. take turn using

C. make turns using

D. take turns using

Many of the earth’s plants and animals have already __________, and several other species are endangered.

A. died away　　　　　　 B. died out

C. died off　　　　　　   D. died up

She thinks only of herself; she doesn’t __________other people.

A. care about　　　　　　　　　　　　　　　　　　　　    B. look after

C. set about　　　　　　　　　　　　　　　　　　　　　　  D. run after