单项选择题

Medical facilities are being upgraded .

A．renewed
B．repaired
C．improved
D．increased
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单项选择题
She stood there, tremblingwith fear.
A．jumping
B．crying
C．swaying
D．shaking
单项选择题
You have to be patient if you want to sustainyour position.
A．maintain
B．establish
C．acquire
D．support
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