单项选择题

After the patients went into the office, ______ working.

A. only a doctor did they see
B. only a doctor saw they
C. only a doctor they saw
D. only a doctor had they seen
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We haven't seen each other for many months. ______!
A. What I missed you
B. What did I miss you
C. How I missed you
D. How did I miss you
单项选择题
Little Tom is an orphan. ______,he has to make a living by himself.
A. A child as he is
B. Child as he is
C. Child as is he
D. A child though he is
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