问题

The old professor told us every part of thematerials should be made use of ______ the power station

A:a,a
B:the,an
C:the,a
D:identity

正确答案是：

同类题型

I’ve ________ the habit of calling in on my grandparents on my way home from school.[ ]

You’ve given us a wonderful Chinese dinner, Mrs. Wang.–____________.

We take this opportunity to express our sincere ofyour timely help.

_____ she at home now—Yes ,she is. She is ____ newspapers.

Hi, Jim. Can you lend ______ your pen?—Sorry, I’m using it.