It's a very kind offer, but I really()accept it.
A: mustn't
B: needn't
C: can't
D: don't
A: mustn't
B: needn't
C: can't
D: don't
举一反三
- --- I don't mind telling you what I know. --- You_____ . I'm not asking you for it. A: mustn't B: may not C: can't D: needn‘t
- I don't believe him. He______be serious. A: needn't B: mustn't C: may not D: can't
- —MustIcomebackbeforesupper,mum?—No,you . A: can’t B: mustn’t C: don’t D: needn’t
- — ______I be at the party by 6 o'clock — No, you______, but don't be much later. A: Must, needn't B: May, mustn't C: Can, can't
- --____I put my coat here? ----Sorry, you ______. A: Must; mustn’t B: Do; don’t C: Can; needn’t D: May; can’t