You _________ spend too much time on your smart phone.
A: may
B: must
C: mustn't
D: may not
A: may
B: must
C: mustn't
D: may not
举一反三
- You ___ spend too much time on your smart mobile phone.
- You__________ spend too much time on your smart mobile phone. A: can B: need C: mustn’t D: shall
- If you spend too much time on something, you may start to ________ it.
- Jim, you’d better not (__) too much time on your mobile phone. A: cost B: spend C: take D: pay
- — ____ 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