-- Excuse me, Sir. You_________take your camera into the museum.
-- Sorry, I didn't know and I promise you I_________.
| A．needn't; mustn't | B．can't; won't |
| C．mustn't; mustn't | D．may not; needn't |
Maybe you have been to many countries , but nowhere else such a beautiful palace .
| A．can you find | B．you could find | C．you can find | D．could you find |
Of the making of good books there is no end; neither ______ any end to their influence man’s lives.
| A．there is | B．there are | C．is there | D．are there |
I failed in the final examination last term and only then_____the importance of studies.
| A．I realized | B．I had realized | C．had I realized | D．did I realize |
The old couple have been married for 40 years and never once_____with each other.
| A．they had quarreled | B．they have quarreled |
| C．have they quarreled | D．had they quarreled |
---Did Linda see the traffic accident?
---No, no sooner _____impossible now does seem possible.
| A．had she gone | B．she had gone | C．has she gone | D．she has gone |