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
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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
单项选择题
I feel it is my responsibility ______ you of our decision.
A．inform
B．to inform
C．informing
D．informed
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