All __________ people on the earth should use the natural resources wisely， or they __________ by the nature sooner or later.

A. living； will be punished  B. alive； will punish

C. live； were punished      D. lively； are punished

________ my father _______ my mother is able to drive a car. However， they are going to buy one.

A. Neither； nor      B. Both； and

C. Either； or        D. Not only； but also

We should be brave enough to ___________ new challenges any time.

A. carry on         B. put on           C. take on          D. turn on

—Must I return the book this week ? I borrowed it 10 days ago.

—No， you _________ . You can _______ it for another 10 days.

A. mustn’t； keep   B. don’t have to； borrow

C. needn’t； keep   D. mustn’t； lend

He couldn’t wait ___________ the phone but couldn’t stop __________ when he got the bad news about his dad’s sudden death.

A. reply； to cry          B. to answer； crying

C. to reply to； to cry    D. answer； crying

—______of volunteers will be needed for the 2016 Olympic Games in Rio de Janeiro， Brazil.

—I hope to go there and _______them.

A. Thousands； join

B. Thousand； be a member of

C. Three thousand； take part in

D. Thousands； be in

What a big difference Tu Youyou has made to modern medicine in the world！She says she will________ her study.

A. What； carry on        B. What a； carry on with

C. How； carry on with     D. What a； carry on

—_______ will they do with the waste water?

—They’re having a discussion about ___________ to reuse it.

A. How； how       B. How； what

C. What； how      D. What； what

People used to communicate on the phone， but now they are used __________on Wechat because it makes communication ________..

A. to chatting； much easier

B. to chat； much easily

C. to chating； much easier

D. to chatting； much more easily

—Thanks a lot for supporting us in the match.  —____________.

A. My pleasure        B. No thanks

C. Don’t say that    D. All right