We believe scientists will a way to solve the problem of air pollution.

A. set off B. put off

C. come up with D. catch up with

He’s been to the Great Wall, ?

A. is he B. does he C. hasn’t he D. has he

Kunming is famous its nice weather. I will go there to spend the summer holiday.

A. in B. as C. for D. with

---Whose desk is that?

---It’s desk.

A. Tom and Kate’s B. Tom’s and Kate’s

C. Tom’s and Kate D. Tom and Kate

When I went to say goodbye to Anna, she the piano.

A. is playing B. plays

C. was playing D. played

______is the price of the book ?

A. How B. How much

C. What D. How many

The price of that house is too _______.I can’t afford it

A. high B. low C. cheap D. expensive

They lost the match, ______ we know they did their best.

A. and B. but

C. so D. still

---You’ve dropped _____ “s” in the word “acros”

---Oh, ____ letter “s” should be doubled like this “across”.

A. a ,a B. an ,the

C. a ,the D. the ,the

Mrs. Green has been living ___ for two years. But she doesn’t feel ___ because she has many friends.

A. alone ; lonely B. lonely ; alone

C. alone ; alone D. lonely ; lonely