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單項選擇題

The quays are not connected（）the railway system.

A.to
B.for
C.on
D.with

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The remarks are not similar（）those on the shipping orders.

A.at
B.to
C.by
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單項選擇題

The second officer will take（）the watch soon.

A.on
B.under
C.off
D.over

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