We____________talkloudlywhenweseethe"BeQuiet"sign.
A: must
B: mustn't
C: need
D: needn't
A: must
B: mustn't
C: need
D: needn't
举一反三
- —Mustwefinishtheworkbeforedark,sir?<br/>—No,you_____.Butyou_____tomorrow. A: needn’t;must B: mustn’t;must C: needn’t;need D: mustn’t;need
- —MustIreturnthebookthismorning?<br/>—No,you______.Butyou______returnitbeforedinner. A: mustn’t;will B: mustn’t;tray C: needn’t;must D: can’t;need
- - ____ I tell her the truth?- Yes, you ____. A: Need; need B: Need; must C: Must; mustn't D: Must; needn't
- —Need I finish the task at once?—Yes, you ___. / No, you____. A: must; needn’t B: need; mustn’t
- ─Must we finish the composition in class?─No, you . A: needn't B: mustn't C: won't D: shouldn't