问题

What’s the matter with you and your friend—-She looks very busy. I want to help her, but I don’t know _____.

A:write it down
B:look up it
C:write down it
D:look it up;

正确答案是：

同类题型

Smoking can ________ lung cancer. You had better give it up.

Not only I but also Jane and Mary _____ tired of having one examination after another.

Every day I dream____abeautiful girl ____ in a red coatShe was in fact myfirst lover.[ ]

下列表述有误的一项是

He argued _______ smoking, and insisted that it was ________ argument that smoking was harmful to health