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is→are
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单项选择题
A．They should give up it at once.B．They should think it carefully before make the decision.C．They should choose another subject instead.
A．They should give up it at once.
B．They should think it carefully before make the decision.
C．They should choose another subject instead.
单项选择题
A．Buy a ticket for the 6 o’clock plane.B．Go on his job and finish it.C．Change m a different flight.
A．Buy a ticket for the 6 o’clock plane.
B．Go on his job and finish it.
C．Change m a different flight.
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