3.---What do you think we can do for our aged parents? ---You ____ do anything except to be with them and be yourself.A. don't have to B. oughtn't toC. mustn't D. can 't
A: A. don't have to
B: B. oughtn't to
C: C. mustn't
D: D. can 't
A: A. don't have to
B: B. oughtn't to
C: C. mustn't
D: D. can 't
举一反三
- You __________ help me if you don't have time. I can do the job myself. A: aren't able to B: don't have to C: mustn't
- Do have a cigarette, ______ you A: can't B: B. don't C: wouldn't D: D. won't
- My experience is that you mustn’t speak of________. A: that you can’t do B: which you can’t do C: what you can’t do D: you can’t do it
- But you have to study hard, (). A: mustn't you B: won't you C: don't you D: oughtn't
- You____help me if you don't have time. I can do the job myself. A: aren't able to B: don't have to C: aren't going to D: mustn't