—— Was the driving pleasant when you went to Mexico last summer?
—— No, it ＿＿＿＿ for four days when we arrived, so the roads were very muddy.
| A．was raining | B．had been raining | C．would be raining | D．rained |
Please open the window, _____?
| A．can’t you | B．aren’t you | C．do you | D．will you |
It’s still early, you _____.
| A．mustn’t hurry | B．wouldn’t hurry | C．may not hurry | D．don’t have to hurry |
The plant is dead. I _____ it more water.
| A．will give | B．would have given | C．must give | D．should have giv |
There was plenty of times. She _____.
| A．mustn’t have hurried | B．couldn’t have hurried |
| C．must not hurry | D．needn’t have hurried |
16. You _____ return the book now. You can keep it till next week if you like.
| A．can’t | B．mustn’t | C．needn’t | D．may not |