题目内容
E-mail, as well as telephones, ___ an important part in daily communication.
A.have played |
B.is playing |
C.are playing |
D.play |
【答案】
B
【解析】略
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题目内容
E-mail, as well as telephones, ___ an important part in daily communication.
A.have played |
B.is playing |
C.are playing |
D.play |
B
【解析】略