单项选择题

It was not until an hour later that we heard ______ what had happened.

A. through
B. by
C. about
D. from
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单项选择题
I would have written before, but I ______ ill.
A. were
B. had been
C. would be
D. was
单项选择题
The new factory is ______ several hundred cars a week.
A. turning in
B. turning off
C. turning out
D. turning on
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