单项选择题

The doctor insisted that he ______ seriously ill and that he ______ operated on immediately.

A．be; should be
B．was; be
C．was; must be
D．should be; should be
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单项选择题
Tom, more than anyone else, ______ anxious to go to China again.
A．is
B．are
C．has
D．have
单项选择题
A library with five thousand books ______ to the nation as a gift.
A．is offered
B．has offered
C．are offered
D．have offered
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