_______ the punishment was unjust, he accepted it without complaint.

A. So long as  B. Even though

C. Since  D. While

The thief______ when he was stealing a wallet from a woman.

　A. happened to notice B. was taken place to notice 

  C. was happened to be noticed D. happened to be noticed 

It is the first time that you have come to China, _____?

A. haven’t you            B. isn’t it  C. hasn’t it              D. aren’t you

Shall we _________ our discussion and have some tea or coffee, please?

A. break off        B. break down  C. break into       break out

_____, he cannot solve the word puzzle.

A. Hard although he tried

B. He tried hard although

C. However hard he tried

D. As he tried hard

 11. Thank you for________ the trouble _________me with the work.

A. having; helping      B. taking; helping

C. taking; to help      D. having; to help

She took the boy _____ the hand and led him _____ the zero.

A. in…by   B. on…at  C. at…in   D. by…round

______ won’t be long ______ National Day comes.

A. There…since       B. This…ago C. It…before          D. That…after

— Susan, will you please go and empty the rubbish?

— ______?

A. What for               B. What is it  C. How is it               D. How come

Playing football and watching TV _____ both interesting.

A. were   B. was    C. are          D. is