单项选择题

____________ for their support, he would have gone penniless.

A．If it is not
B．If it is
C．Were it
D．Were it not
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单项选择题
During July and August there was no rain for weeks __________.
A．on end
B．in the end
C．at last
D．at length
单项选择题
I expect that she will be able to _________ our particular needs.
A．supply
B．reach
C．provide
D．meet
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