【题目】Having suffered from serious pollutions, he made up his mind to devote his life to __________ pollution from __________ again.

A. preventing; happening

B. prevent; happen

C. preventing; happens

D. preventing; will happen

【题目】Weather ________，we'll go for a walk in the woods tomorrow.

A．to permit B．permitted

C．permits D．permitting

【题目】My parents just called to say that they got __________ in a traffic jam.

A. stick

B. stuck

C. strike

D. stricken

【题目】An unhappy childhood may have some negative effects on a person's character; however, they are not always __________.

A. casual

B. ashamed

C. permanent

D. unfit

【题目】The room is very dark. Please __________ the light.

A. switch on

B. switch off

C. put up

D. put down

【题目】His actions d __________ him (to be) an honest man.

【题目】Even if you can't be the next great scientist, it's worth remembering some of the g __________ that made Einstein great.

【题目】 She __________ (宣称）that she didn't want to see him again.

【题目】-I think he is taking an active part in social work.

-I agree with you __________.

A. in a way

B. on the way

C. by the way

D. in the way

【题目】__________ in the school regulations that students should not wear long hair or jewels.

A. It is required

B. What is required

C. What requires

D. It required