问题

he development of modern society, E-mail as well as telephones an important part in daily communication.

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

正确答案是：

同类题型

There isn’t a bridge the river. How can we cross it

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__________Lei Feng is no longer living, his spirit lives on today.

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..— Must I go there right now?— No, you_________.