题目内容
E-mail, as well as telephones, ________ an important part in daily communication.
[ ]
A.
is playing
B.
have played
C.
are playing
D.
play
答案:A
解析:
解析:
|
as well as连接两个并列成分作主语时,谓语动词要与前面的保持一致。 |
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