单项选择题
A. fire watch B. fire patrol C. fire protection D. fire alarm
（）special instruction on heavy lifts.A.HaveB.HasC.HadD....
单项选择题（）special instruction on heavy lifts.
A.Have B.Has C.Had D.Having
Can you tell me （）the galley is?A.whatB.howC.where
单项选择题Can you tell me （）the galley is?
A.what B.how C.where
Spread a safety net（）the gangway.A.onB.overC.byD.under
单项选择题Spread a safety net（）the gangway.
A.on B.over C.by D.under
