— Where _____________ yourfriendlive? —_爱下问搜题

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问题选择题

— Where _____________ your friend live?

— She _____________ in London.[ ]

A. do, live

B. does, lives

C. is, live

答案

答案：B

选择题

—Do you mind if I smoke here?

— ___________.

A．No, please don’t

B．I’d rather you didn’t

C．I don’t want you to

D．I’m afraid you don’t

多项选择题

常用的光放大器有（）

A、EDFA

B、SOA

C、RAMAN