单项选择题

What a pity! Considering his ability and experience, he______better.

A．need have done
B．must have done
C．can have done
D．might have done
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单项选择题
The boy was______eager to get a geography book.
A．more
B．too
C．much
D．far
单项选择题
They overcame all the difficulties and fulfilled the plan ten days ahead of schedule, ______was something we had not expected.
A．that
B．this
C．it
D．which
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