问题

The new examination system has to be _______ in special regions before it can be applied nationwide.[ ]
A: put out
B: experimented out
C: tried out
D: taken out
B: experimented out
C: tried out
D: taken out
正确答案是:
同类题型
You’d better write down her phone number before you _____ it.
It is generally ________ that new industries ________ for the southern part of the country. [ ]
How do you_____ your reading speed—The speed ismeasured by how many words per minute you can read.
Where did you find our chemistry teacher? —It was in the lab he was doing his experiment.
_____ her not to walk on the thin ice but she would not listen to me.