单项选择题
The gangway is going to hit the （）(系缆桩) on the wharf.
A.bridge B.bitt C.bit D.bits
单项选择题 Spread a safety net under the （） (舷梯).
单项选择题 As soon as the ship gets alongside the（）(码头),you should lower the gangway and put a safety net below it.
单项选择题 The captain has gone （）(上岸). He’ll be back this afternoon.
