单项选择题

We all enjoyed ______ on the farm.

A． works
B． working
C． work
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单项选择题
I know something about Kunming. I ______ there many times.
A． have gone
B． have been
C． went
单项选择题
At that time I thought it ______ rain.
A． is going to
B． was going to
C． will
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