You_________return the book now. You can keep it till next week if you like.
| A．needn’t | B．mustn’t | C．couldn’t | D．ought to |
相关试题
It is important that we wild animals.
| A. will protect |
B. should protect |
C. shall protect |
D. are protecting |
Under no circumstances, he was warned, _____ to give the password to someone else.
| A．he was | B．was he | C．he could | D．could he |
He accidentally _____ he had quarreled with his wife and that he hadn’t been home for a couple of weeks.
| A．let out | B．tried out | C．ran out | D．made out |
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