, you’ll never be able to persuade him.
| A．However hard may you try | B．Try however hard you may |
| C．However hard you may try | D．Try hard however you may |
(陕西卷23). ----May I take this book out of the reading room?
----No, you . You read it in here.
| A．mightn`t | B．won’t | C．need’t | D．mustn`t |
.(四川卷3). —I take the book out?
—I'm afraid not.
| A．Will | B．May | C．Must |
D．Need |
（天津卷9）. Mark _______ have hurried. After driving at top speed, he arrived half an hour early.
| A．needn’t | B．wouldn’t | C．mustn’t | D．couldn’t |
．(天津卷15). ---- John went to the hospital alone.
---- If he _______ me about it, I would have gone with him.
| A．should tell | B．tells | C．told | D．had told |
.(重庆卷 21).Youpark here! It’s an emergency exit.
| A．wouldn’t | B．needn’t | C．couldn’t | D．mustn’t |