单项选择题

Is ______ necessary to complete the design before the National Day
A) this C) it
B) that D) such

A．Is ______ necessary to complete the design before the National Day
B．this
C．that
D．it
E．such
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单项选择题
A．Where are theyB．It is still early.C．All fight.D．It doesn’t matter.
A．Where are they
B．It is still early.
C．All fight.
D．It doesn’t matter.
填空题
March l4
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