单项选择题

The patient suffering from a cough soon found ______ to give up smoking.

A. it is necessary
B. necessary
C. it necessary
D. that necessary
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单项选择题
It is extremely urgent that they ______ from the mountain before dark.
A. must be rescued
B. should rescue
C. can be rescued
D. be rescued
单项选择题
Children who are over- protected by their parents may become ______.
A. hurt
B. damaged
C. spoiled
D. harmed
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