“That must be a mistake.” “No, it ( ) a mistake.”
A: mustn't be
B: needn't be
C: can't be
D: wouldn't be
A: mustn't be
B: needn't be
C: can't be
D: wouldn't be
举一反三
- "That must be a mistake." "No, it____ a mistake." A: must not be B: needn't be C: can'tbe D: wouldnotbe
- — ____ I do the laundry first?— No, you ____. You can do your homework first. A: Must; mustn’t B: Can; mustn’t C: Must; needn’t D: May; needn’t
- —MustIreturnthebookthismorning?<br/>—No,you______.Butyou______returnitbeforedinner. A: mustn’t;will B: mustn’t;tray C: needn’t;must D: can’t;need
- —Mustwefinishtheworkbeforedark,sir?<br/>—No,you_____.Butyou_____tomorrow. A: needn’t;must B: mustn’t;must C: needn’t;need D: mustn’t;need
- It must have rained last night, ______ it A: mustn' t B: can' t C: didn' t D: needn' t