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單項(xiàng)選擇題

Get everything ready（）sailing.

A.on
B.ahead of
C.prior to
D.in front of

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單項(xiàng)選擇題

Captain said that very clearly so that nobody was in any（）about what was meant.

A.doubt
B.question
C.wonder
D.consideration

單項(xiàng)選擇題

Can you sign the Mate’s Receipt（）batches?

A.on
B.by
C.in
D.with