单项选择题

We cannot always ______ natural rainfalls, We should take some effective measures to fight drought.

A．hang on
B．hold on
C．count on
D．come on
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单项选择题
______ has recently been done ,to provide more flats for the people, the housing problem in this city is still very serious.
A．What
B．That
C．As a matter of fact
D．In spite of what
单项选择题
If Tom wins tomorrow, he ______ thirty races in the past four years.
A．will win
B．has won
C．would have won
D．will have won
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