The boy ______ in the heavy rain _____ his umbrella with him.

[　　]

A. was caught…forgot to bring

B. caught…had forgotten bringing

C. was caught…and forgot to bring

D. caught…had forgotten to bring

We’ll try our best to _____ the _____ of South China tigers.

[　　]

A. avoid…extinction

B. prevent…extinction

C. stop…damage

D. keep…destruction

______ he is a good football player.

[　　]

A. He knows　　　　　B. It is known to all

C. He is known　　　 D. It knows

The earthquake destroyed _____ the small house ____ the buildings in this area _____.

[　　]

A. both…and…as well

B. both…and…/

C. not only…but…as well

D. not only…but also…as well

Don't ____ the waste liquid _____ the river.

[　　]

A. pour…into　　 　B. pour…in

C. throw…into　　　D. bring…into

After that illness his health _____ rapidly.

[　　]

A. slipping　　　B. fell

C. sank　　　　　D. declined

All his hopes ______.

[　　]

A. were damaged　　　B. were destroyed

C. damaged　　　　　 D. destroys

The price of all the medicines _____ a lot.

[　　]

A. have risen　　　B. have raised

C. has risen　　　 D. has raised

The dark clouds _____ a big storm.

[　　]

A. were threatened　　　B. threatened

C. was threatened　　　 D. threatening

Books on _____ popular science _____ widely _____ by them.

[　　]

A. /…is…read　　　　B. the…is…read

C. the…are…read　　 D. /…are…read