问题

E-mail, as well as telephones, ______ an importantpart in daily communication.

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

正确答案是：

同类题型

Believe it or not, he came _______.

With many major economic problems ____ to be addressed, there is no point _____the growth rate of thisyear now. [ ]

Dongdong, ____ car isthat—It’s ____.

Tom works very hard. His brother, ______, doesn’t do anything at all.

Tom was not happy at school At 12, he ______ refused to go to school any more [ ]