欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

(   ) 10.——Would you like to be a volunteer to help clean the beach?

      ——_______ It's everyone's duty to protect our environment. 

A. That's easy. B. It's a pleasure.

C. Not at all. D. Of course.

(   ) 9. If you agree with somebody, you can       your head in agreement.
A. nod    B. raise

C. wave    D.shake

(   ) 8. —Could you please lend me some money? Mine has been     . 

      —No problem.

A. worked out    B. taken out
C. come out    D. run out

(   ) 7. People can produce electricity      wind in many places. The method is

better for protecting our environment.
A. of    B. from

C. in    D. to

(   ) 6. You      read in the sun. It's bad for your eyes.

A. not ought to    B. ought to

C. ought to not    D. ought not to

(   ) 5. To fight against pollution              a long time. That means we have a long way to go.

A. costs    B. spends

C. continues    D. requires

(   ) 4. —_______ The train is leaving！

      —OK,I will.

A. Hurry up!B. Take off!

C. Give up!D. Shut off!

(   ) 3. My good friends always encourage me       trying and never give up

whenever Fm in trouble . It makes me moved.

A. keep    B. stop

C. to stop    D. to keep

(   ) 2. My uncle works as a ( n ) _____________  in Beijing. His main job is to help visitors

from other countries.
A. actor    B. guest

C. guide    D. planter

(   ) 1. Ji Gong is poor,      he's happy.

A. but    B. and

C. so    D. or