We still do not know ().
A、where is the trouble
B、where does the trouble
C、where the trouble lies
D、what is the trouble
A、where is the trouble
B、where does the trouble
C、where the trouble lies
D、what is the trouble
A、Crew members don’t know what they do during emergency. B、Crew members should know what they do in an emergency. C、Crew members know what they should do during ship abandoning. D、Crew members know what they do during ship abandoning.
A、Bosun, why do we open hatch covers? B、Officer, why do we open hatch covers? C、Bosun, why do we close hatch covers? D、Bosun, why do we open hatches?