单项选择题

They failed to pass the exam last time. I regretted ______.

A．being unable to help
B．to be not able to help
C．being not able to help
D．not be able to help
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单项选择题
The news says: An airline ______ kills more than 100 passengers.
A．crash
B．smash
C．rash
D．crush
单项选择题
What do you think of his motion that we ______ a play at the English evening
A．should put on
B．shall put on
C．would put on
D．will have put on
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