单项选择题

____too much to do, they have to keep themselves busy all day long.

A．Having
B．Have
C．Had
D．Being
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单项选择题
If it ____tomorrow, we won’t go for a picnic.
A．will rain
B．should rain
C．rains
D．rained
单项选择题
There are many fashion shops and expensive restaurants on ____ sides of the street.
A．all
B．each
C．both
D．every
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