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單項(xiàng)選擇題

They handed in their paper（）

A.in line
B.by turn
C.at turn
D.in turn

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單項(xiàng)選擇題

We are（）in the future of our motherland.

A.aware
B.confident
C.sure
D.certain

單項(xiàng)選擇題

（）majority of people are highly against the pollution in this city.

A./（不填）
B.A
C.The
D.Many

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