单项选择题

Air and water are ________ to life.

A．indispensible
B．indispensable
C．indisposed
D．indisputable
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单项选择题
Anne got a stomachache. Otherwise she ________ to attend the meeting.
A．went
B．will go
C．would have gone
D．would go
单项选择题
Reading is to the mind ________ food is to the health.
A．like
B．what
C．which
D．that
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