单项选择题

We didn"t finish the work in time. You ______ us since you were there.

A．might help
B．should help
C．could have helped
D．must have helped
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单项选择题
______ is often the case, one third of the workers have over-fulfilled the production plan.
A．What
B．This
C．That
D．As
单项选择题
I broke a dish while washing up this morning. Of course, I did not ______.
A．love to
B．need to
C．mean to
D．want to
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