单项选择题

—Is your father still a doctor
—().

A.Yes, he was
B.No, but he used to be
C.No, but he used to
D.He didn't use to

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It was quite a long time()I recognized him.

A.after
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C.when
D.since
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—How kind of you to come round, but why —()that all is right.

A.See
B.To see
C.Seeing
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