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 E-mail,aswellastelephones,    ▲    animportantpartinda...

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問題詳情:

 E-mail,aswellastelephones,    ▲    animportantpartinda...

 E-mail, as well as telephones,     ▲     an important part in daily communication.

A. is playing                             B. have played        

C. was playing                                  D. play

【回答】

A

知識點:動詞時態與語態

題型:選擇題