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單項(xiàng)選擇題

Duty Sailors must greet visitors （）on gangway.

A.polite
B.politely
C.impolite
D.impolitely

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單項(xiàng)選擇題

They should （）care of anchors to ensure that they are in normal condition.

A.took
B.take
C.taking
D.taken

單項(xiàng)選擇題

Please （）.I’ll go and ask him to come.

A. wait a moment
B. go
C. stand
D. Sit down.

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