China has ______largest population of the world .

A. the B.a C. an

— Where are Maria and Kangkang?

—They _____ England.

A. have been to

B. have been in

C. have gone to

Mrs. Smith _____ in Beijing since 2008.

A. lived B. has lived C. lives

Now most families in China have only one child _____ the one-child policy.

A. because of

B. instead of

C. in order to

I have _____this book for two weeks. I have to return it now.

A. borrowed B. kept C. had

— Our classroom is clean every day.

—___________.It’s our duty to keep it clean and tidy.

A. So we are

B. So is it

C. So it is

— How do you like the book?

— It’s too boring._______ of us likes it.

A. None B. Both C. All

I still felt very happy , ________ I had no time..

A. but B. and C. though

There are some factories ________waste water into the stream.

A. pour B. pouring C. poured

－I’ll go to Hong Kong for a 7-day holiday next week. I’m so excited!

－___________

A. Have a good trip!

B. I wish you success!

C. That’s a good idea.