--- May I go out now, Dad?--- No. You _____ let your mother know first.
A: can
B: may
C: need
D: must
A: can
B: may
C: need
D: must
举一反三
- --May I play computer games now, mom?<br/>--No. You ________ finish your homework first. A: must B: can C: could D: may
- 4.--May I play computer games now, mom?--No. You ________ finish your homework first. A: must B: can C: could D: D .may
- 38.--May I play computer games now, mom?--No. You ________ finish your homework first. A: must B: can C: could D: D .may
- — Mum, may I watch TV now?— No, you ___ finish your homework first. A: mustn’t B: must C: need
- — ____ 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