单项选择题

It's no use ______ your chickens before they are hatched.

A．counting
B．count
C．to count
D．of counting
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单项选择题
The old couple have been married for 40 years and never once ______ with each other.
A．they had quarreled
B．they have quarreled
C．have they quarreled
D．had they quarreled
单项选择题
The weather today is ______ it was yesterday.
A．not as hotter as
B．as hotter
C．as hot as
D．not as hot than
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