5. The monitor must be in the reading－room, ?
A: A. mustn’t
B: B. doesn’t
C: C. needn’t
D: D. isn’t
A: A. mustn’t
B: B. doesn’t
C: C. needn’t
D: D. isn’t
举一反三
- He must be ill, ______?: doesn’t he|isn’t he|mustn’t he|needn’t he
- He must be in the library now, ____? A: doesn't he B: mustn't he C: needn't he D: isn't he
- —Mustwefinishtheworkbeforedark,sir?<br/>—No,you_____.Butyou_____tomorrow. A: needn’t;must B: mustn’t;must C: needn’t;need D: mustn’t;need
- —The ground is wet. —It must have rained last night, ______. A: hasn’t it B: B. didn’t it C: C. mustn’t it D: D. isn’t it
- 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