单项选择题
Detach the fore and aft side hooks, （）the fore and aft boat nests.
A. take in B. take on C. take off D. take down
单项选择题 Take （）of hydrants, fire hoses and nozzles.
单项选择题 Water can put out common fires, such as （）.
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.
