of the surface of the earth covered with water.

A. Seven-tens. . . are B. Seven-tens…is C. Seven-tenths. . . is D. Seven-tenths. . . are

Don’t forget to __________ your school things when you have finished your homework .

A. put out B. put up C. put down D. put away

With the help of the Internet, news can _______ every corner of the world.

A. get B. arrive C. reach D. return

You don’t know _____ I want to see you again. It’s a year since I last saw you.

A. how soon B. how long C. how often D. how much

--- Didn’t your brother ________ go to school by bike?

--- Yes, he did. But he ________ walking to school now.

A. used to; used to B. use to; used to C. used to; is used to D. use to; is used to

Why not ______ your teacher for advice when you don’t know ______ the problems?

A. ask; what to do with B. to ask; how to deal with

C. ask; what to deal with D. to ask; how to do with

--- Do you know much about the city?

--- Yes, I ___________ there three times.

A. was B. have gone C. went D. have been

I do not doubt ________ win in the race.

A. whether he will B. whether will heC. that he will D. that will he

--- How cool the iPhone5s is !

---In our shop it_____ very well now. Get one before it________out.

A. sells; sells B. sells; is sold C. is sold; is sold D. is sold; sells

—How about climbing the hill?

—I would rather along the river than the hill. I'm a bit tired.

A. walk；climb B. walking； climbing

C. walking； to climb D. walk； to climb