单项选择题
A.dismissed B.dismiss C.gone D.left
Water is used to put out （）(普通火).A. common fireB. elect...
单项选择题Water is used to put out （）(普通火).
A. common fire B. electric fire C. oil fire D. fire
At each drill a different person should be in （）(负责)of ...
单项选择题At each drill a different person should be in （）(负责)of an extinguisher.
A.charge B.load C.discharge D.handle
（）(除了) the fire drill, there are also boat drill and em...
单项选择题（）(除了) the fire drill, there are also boat drill and emergency drill on board.
A. Except B. Although C. In addition to D. But
