单项选择题

In one of my books I gave more information than () to solve a particular problem.

A. has needed
B. was needed
C. being needed
D. had needed

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单项选择题
Henry () a rich man today if he had been more careful in the past.

A. would be
B. is
C. will be
D. was
单项选择题
it is strange that you()do such a thing.

A. would
B. will
C. should
D. shall
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