单项选择题

We found it impossible（）all the questions within the time given.

A、 solve
B、 being solving
C、 to have solved
D、 to solve

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单项选择题
The output of our factory is now twice（）it was three years ago.

A、 what
B、 that
C、 as
D、 which
单项选择题
What（）would happen if the manager knew you felt that way

A、 will you suppose
B、 are you supposing
C、 do you suppose
D、 you would suppose
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