单项选择题
A.safety B.safe C.saving D.save
The fire is out of（） .A.controlledB.controllerC.control...
单项选择题The fire is out of（） .
A.controlled B.controller C.control D.controllable
The air is （）. Don’t enter that area.A.freshB.toxicC.po...
单项选择题The air is （）. Don’t enter that area.
A.fresh B.toxic C.poison
Post two lookouts with （）.A.sextantB.compassC.radarD.bi...
单项选择题Post two lookouts with （）.
A.sextant B.compass C.radar D.binoculars
