问题
选择题
Mrs Green ________ go to hospital, but now she is in good health. [ ]
A. has to
B. needs to
C. used to
D. ought to
答案
答案：C
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Mrs Green ________ go to hospital, but now she is in good health. [ ]
A. has to
B. needs to
C. used to
D. ought to
答案：C