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單項選擇題

If you go to America, you will find that there are better（）by road, rail and air than in London.

A.transport
B.traffic
C.communications
D.vehicle

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單項選擇題

They handed in their paper（）

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

單項選擇題

We are（）in the future of our motherland.

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

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