单项选择题
A.was suffering B.is suffering C.has suffered D.has been suffering
The foreign seafarers said goodbye to us and looked for...
单项选择题The foreign seafarers said goodbye to us and looked forward to（）each other soon.
A.see B.seeing C.be seen D.being seen
In the IMO SMCP the situations（）phrases using the work ...
单项选择题In the IMO SMCP the situations（）phrases using the work “can” appear it clear whether a possibility is referred to.
A.where B.when C.after D.unless
（）it is advisable to remain on a VHF channel 8, say: “s...
单项选择题（）it is advisable to remain on a VHF channel 8, say: “stand by on VHF channel 8”.
A.That B./ C.When D.What
