單項(xiàng)選擇題

It’s all right to rig the pilot ladder on lee side （）.

A.to allow port Authorities to board
B.allowing port Authorities to board
C.to allow port Authorities boarding
D.allowing port Authorities to be boarded

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單項(xiàng)選擇題

Is the pilot ladder all right at this （）

A.high
B.highly
C.heigh
D.height

單項(xiàng)選擇題

Is the pilot boat （） station

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