Question

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

A．is playing	B．have played
C．are playing	D．play

Answer 1

A

as well as连接主语时，谓语动词与其前面的名词在人称和数上保持一致，因E?mail是单数，故应排除B、C、D三项。