选择题：—How often do you playtennis? —Twice week. And Ioften play it in

题目内容：

—How often do you playtennis?

—Twice________ week. And Ioften play it in________ sports center in our school

A.the;／

B.a;an

C.an;the

D.a;the

参考答案：

答案解析：

You play with fire, Tom. Its dangerous.

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