单项选择题

Good morning, sir. （） are you looking for?

A. Whom
B. How
C. What business
D. Whose

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单项选择题

The gangway is about one meter higher. （）it, please.

A.Low
B.Lower
C.Lowe
D.Lowered

单项选择题

Please tell the duty AB to lower the （）.

A.winch
B.radar
C.gangway
D.windlass

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