Question

E-mail, as well as telephone, ______ an important part in daily communication.

A．is playing

B．have played

C．are playing

D．played

Answer 1

A

考查主谓一致。本题的谓语动词和E-mail保持一致，应该使用单数。本题没有出现过去时的时间状语，所以使用现在时。