—Unluckily, you couldn’t come to the picnic with us. It was so much fun there. You must come next time.
—No, thanks. I don’t think I ______ any fun.
| A．have | B．will have |
| C．have had | D．was having |
Five-star hotels provide better services than some small hotels. You _______ even use free WIFI there.
| A．must | B．can |
| C．ought to | D．used to |
It’s said that the young trees along the river _____ two years ago.
| A．planted | B．was planted |
| C．were planted | D．are planted |
You may lead the horse to the river, but you _____ make it drink.
| A．couldn’t | B．can’t |
| C．mustn’t | D．needn’t |
The guide said that much attention must ______ these details.
| A．pay | B．be paid |
| C．pay to | D．be paid to |
---Tom, you play football in the street. ---Sorry, I do it again.
| A．needn’t; won’t | B．mustn’t; won’t |
| C．can’t; will | D．won’t; can’t |
—Be quiet, Mr. Smith is coming.
—Don’t worry. It _____ be him. Mr. Smith is much taller.
A. mustn’t B. must C. can’t
Boys and girls, the books in the library should______ good care of.
A. take B. are taking C. be taken
The People's Republic of China ______on October 1, 1949.
A. found
B. was founded
C. was found
---May I go out to play with my friends now, Dad?
---No. You ______ let your mother know first.
A. may B. need C. must
-Do I have to do it right now?
--No, you _____. You can do it at any time.
| A．can’t | B．needn’t |
| C．mustn’t | D．shouldn’t |
—Lucy, _______ you draw pictures?
—Yes, I _____.
| A．can; could | B．could; could |
| C．can; can | D．could; can |
—Could you ride a bike when you were 5 years old?
—_____
| A．Yes, I could. | B．No, I don’t. |
| C．Yes, I can. | D．No, I can’t. |
The water in the river nearby will be dirtier than before if nothing __________.
| A．has done | B．will be done |
| C．is done | D．was done |
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