You ____ if you had spoken the truth out. But you were as quiet as a mouse.
| A．mustn’t have been blamed | B．shouldn’t be blamed |
| C．wouldn’t have been blamed | D．couldn’t be blamed |
I was deeply impressed with the man’s willingness ______.
| A．by chance | B．to take chance | C．to take chances | D．taking chances |
--Where did you put my dictionary after using it this morning?
--I put it back ______ I took it.
| A．at which | B．where | C．there | D．there where |
The discussion came to life when someone ______ an interesting topic.
| A．came up | B．thought out | C．brought up | D．brought about |
After the new technique was applied to production, the factory has produced ______ over the same period last year.
| A．many cars twice as | B．twice as many as cars |
| C．twice cars as many as | D．twice as many cars as |
. -- What does the sign on the wall read?
--“ No person ______ enter it without permission.”
| A．will | B．may | C．shall | D．must |