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 Mary isn't in. She ______ to school.

　　A. went B. has gone C. has been D. go

 _______ will be the population of the world in the year 2000?

　　A. What B. How much C. How many D. How soon

 Tom said to the guests, "Help ________ to some meat."

　　A. youself B. youselves C. yourself D. yourselves

 This kind of jacket _______ everywhere.

　　A. see B. are seen C. can see D. can be seen

 Don't let the children _______ in the reading room.

　　A. shout B. to shout C. shouting D. shouted

 Several people came and there were two boys _______ them.

　　A. between B . among C. for D. except

 Do you know _______ inventor ? Yes, he's _______ friend of mine

　　A. the, a B. an, a C. an, the D. the, the

 I thought the news ______ important.

　　A. is B. was C. are D. were

 An apple ______ into the water.

　　A. fell B. was fallen C. falls D. is fallen

. Mr Liu met two________ in Paris.

　　A. German B. Russian C. Chinese D. Canadian