Air or ______is called atmosphere, surrounds the whole earth.

2023-12-27 03:25:16
英语语法部分

Air or ______is called atmosphere, surrounds the whole earth.

A.it

B.that

C.which

D.what

正确答案是D

上一篇：You could have done much better yesterday. Why______?

下一篇：Don’ t you think it is time you______smoking?