单项选择题

The population in China ______ reduced in recent years.
A) have been C) is
B) has been D) are

A．The population in China ______ reduced in recent years.
B．have been
C．has been
D．is
E．are
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Is it in that factory ______ Red Flag cars are produced A) which C) that B) when D) as
A．Is it in that factory ______ "Red Flag" cars are produced
B．which
C．when
D．that
E．as
单项选择题
I guess the rain ______ by tomorrow. A) have stopped C) will stop B) will have stopped D) is to stop
A．I guess the rain ______ by tomorrow.
B．have stopped
C．will have stopped
D．will stop
E．is to stop
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