单项选择题
A. take in B. take on C. take off D. take down
Take （）of hydrants, fire hoses and nozzles.A.carefulB.c...
单项选择题Take （）of hydrants, fire hoses and nozzles.
A.careful B.care C.careless D.carefully
Water can put out common fires, such as （）.A.wood，paper...
单项选择题Water can put out common fires, such as （）.
A.wood，paper B.textile C.A+B D.oil
For the duties （）in one emergency, one person may do mo...
单项选择题For the duties （）in one emergency, one person may do more than one job and one job may be done by more than one person.
A.assigning B.assign C.toassign D.assigned
