问题

So, ________ the government has a good system of control or can educate the people, the forests will slowly disappear

A:as long as
B:when
C:unless
D:every time

正确答案是：

同类题型

This is ________ pen. That’s ________ eraser.

ou got any particular plans forthe coming holiday—– Yes, _______, I’m going to visit somehomes for the old in the city.

The Science Museum interests me alot. I enjoy there.

Can you speak Chinese, Steve— Yes, only . I have been in China for only one month.

A: Shall we go to Professor Tender’s lecturetonightB: _______