摘要： --- Has the doctor arrived yet? --- No, she an hour ago. A. has to come B. ought to have come C. should come D. used to come
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— Has the doctor arrived yet?
— No, she _____ an hour ago.
— No, she _____ an hour ago.
[ ]
A. has to come
B. ought to have come
C. should come
D. used to come
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B. ought to have come
C. should come
D. used to come