--Must I don’t at once?--No,____.
举一反三
- 8. You _____ hand it in at once, you may hand it in tomorrow. A: don’t have to B: may not C: can't D: must not
- --You must obey every word of mine. ---____ I don’t?
- —Need I finish the task at once?—Yes, you ___. / No, you____. A: must; needn’t B: need; mustn’t
- Must I do my homework at once?-No, you___. A: needn't B: mustn't C: can't D: may not
- —Must I finish all the homework this evening? A: mustn't B: don't have to C: can't