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 Don’t give up _____ you will never succeed.

A.and                          B.but                            C. or

 —Do you know him?

—I’m sure I’ve seen him _____, but I can’t remember the right place.

A.anywhere                 B. everywhere             C.somewhere

What can we students do _____ the environment?

A.to protect               B.protect                      C.protecting 

 Beijing is a city with many places of interest and _____ tourists come here every year.

A.millions of               B. million of                  C. millions

 His pet cat _____ for two weeks.

A.died                        B.has died                     C.has been dead  

— Could you tell me _____?

—Sorry, I don’t know.

A.where are my books　　 　 B. where my books are C. where can I find my books　　

 The Greens _____ China for seven years.

A.have come to            B.have been to                     C. have been in

 She has _____ this car for nearly ten years.

A.buy                         B.bought                      C. had

 He’s read this book before, _____?

A. doesn’t he               B. hasn’t he                  C.isn’t he      

 — Where are Maria and Kangkang?

— They _____ England.

A.have been to            B.are away                   C.have gone to