单项选择题

The examination has been cancelled. You ______ all that review, after all.

A．didn't need to do
B．needn't do
C．needn't have done
D．needn't to do
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单项选择题
While watching television, ______.
A．the telephone rang
B．we heard the telephone ring
C．and to play football
D．the telephone was rung
单项选择题
He likes to swim ______.
A．and playing football
B．and he also likes playing football
C．and to play football
D．and he likes to play football
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