单项选择题
The master will be back(立即)（）.
A. in no time B. soon C. before long D. after a while
单项选择题 I was told you’d like to order some（物料）（）in this port.
单项选择题 Where are（）(危险货)carried on board?
单项选择题 （）（降低）the gangway, please.
