单项选择题

They tried to avoid ______ errors through carelessness.

A. make
B. to make
C. making
D. to have made
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I want to stay here for the night, ______ my wife won't like it.
A. and
B. but
C. so
D. not
单项选择题
What a beautiful baby! ______ a boy
A. Is that
B. Is it
C. Is he
D. Is she
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