单项选择题

The newly-built sound lab will be ______ next term so that the students will be easily understood the mechanism of echo.

A．put in use
B．in use
C．put into use
D．for use
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单项选择题
I don't know the young man with a pair of glasses, but he ______ me of one of my former classmates.
A．remembers
B．reminds
C．suggests
D．recalls
单项选择题
It is hard to ensure that people doing ______ jobs receive equivalent rates of pay.
A．comparative
B．comparable
C．relative
D．equal
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