单项选择题

I don't swim now, but I ______ when I was a kid.

A．used to it
B．used to doing it
C．used to
D．used to do
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单项选择题
Bob' leg got hurt ______ the Purple Mountains.
A．while he is climbing up
B．when we were climbing up
C．while we climbed up
D．when he climbed up
单项选择题
I like watching TV ______ to the cinema.
A．more than to go
B．than going
C．more than going
D．rather than to go
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