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單項(xiàng)選擇題

The public transports system in many cities in the world（）by the local authority.

A.is still ran
B.are still run
C.are still ran
D.is still run

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單項(xiàng)選擇題

I saw she was in difficulty with all those parcels，so I offered my（）

A.services
B.money
C.use
D.chance

單項(xiàng)選擇題

I can do that job（）myself.

A.by
B.on
C.with
D.–（不填）