问题
选择题
— My parents are getting old. What can I do for them?
— You _____ do anything except to be with them more. [ ]
A. oughtn't to
B. don't have to
C. mustn't
D. can't
答案
B
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— My parents are getting old. What can I do for them?
— You _____ do anything except to be with them more. [ ]
A. oughtn't to
B. don't have to
C. mustn't
D. can't
B