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單項(xiàng)選擇題

You should （松）（）the mooring lines at the same time when the wind is big.

A.fasten
B.slack
C.fast
D.slacken

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單項(xiàng)選擇題

When we meet a（軍艦）（）, we should lower national flag.

A. warship
B. boat
C. container ship
D. bulk carrier

單項(xiàng)選擇題

PSC officers will come on board for(檢查)（）next Monday.

A.inspect
B.inspection
C.inspector
D.inspected

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