There are some factories ________waste water into the stream.
A. pour B. pouring C. poured
【四川省资阳市2015年中考英语试题】—Must I sing the song in Russian?
—No, you _________. It’s up to you.
| A．mustn’t | B．can’t | C．don’t | D．needn’t |
【德州市二O一五年初中学业水平考试英语试题】 —Mr. Wang, must I come again to clean the classroom on Sunday?
—No, you____ . I have asked Kate to do it.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
【2015年福州市初中毕业会考、高级中等学校招生考试英语试题】—Doctor Wang, I’m feeling much better. Must I go on taking the medicine?
—No, you _____. You’ll get well soon.
A. can’t B. mustn’t C. needn’t
【重庆市2015年初中毕业暨高中招生考试英语试题（A卷）】It’s surprising that Mr. Ma’s little daughter _____ speak English so well.
| A．must | B．can | C．mustn’t | D．can’t |
【天津市2015年中考英语试题】--- Is that man Mr. Smith?
--- It ______ be him. He has gone to NewYork on business.
| A．may not | B．needn’t | C．can’t | D．mustn’t |