问题

____ the machine begins to work, you can’t stop it _.

A:While; soon
B:For; right away
C:Once; at once
D:Until; immediately;

正确答案是：

同类题型

That _____ my ruler.

We’re _____ at the _____ news that a terrible earthquake struck Yushu yesterday. [ ]

Many people know Zhang Lei in the Voice of China (中国好声音). He is my _________because he is really good at singing.

It was reported that the problem had been settledwithout much.

I go to the sports club and _____ once a week.