题目
as well as cell phones
E-mail,as well as cell phones,_an important part in daily communication.
A.is playing B.have played C.are playing D.play
选啥 为啥
E-mail,as well as cell phones,_an important part in daily communication.
A.is playing B.have played C.are playing D.play
选啥 为啥
提问时间：2021-01-26
答案
A
主语是E-mail,单数.
主语是E-mail,单数.
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