单项选择题

I should have told you! You ______ the entire house. Our cleaning lady phoned she's coming tomorrow.

A．didn't need to clean
B．needn't have cleaned
C．don't need to clean
D．mustn't have cleaned
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单项选择题
George avoided ______ questions about his drug use.
A．to answer
B．answered
C．answer
D．answering
单项选择题
All the students went to the magic show yesterday. It was really ______.
A．amusingly
B．amuse
C．amusing
D．amused
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