单项选择题

You have to be patient if you want to sustain your position.

A．maintain
B．better
C．acquire
D．support
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单项选择题
John is eligible for this job.
A．accepted
B．qualified
C．rejected'
D．recommended
单项选择题
This table is strong and durable.
A．long-lasting
B．extensive
C．far-reaching
D．eternal
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