题目内容
(请给出正确答案)
[单选题]
The fire was()to their carelessness.
A.has owned
B.owned
C.owing
D.own
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A.has owned
B.owned
C.owing
D.own
If _______ into fire, paper will burn.
A、throwing
B、to throw
C、threw
D、thrown
All of the following are part of the fire triangle EXCEPT _____.
A.fuel
B.oxygen
C.heat
D.electricity
Last night a fire ______ in that market, so the firm suffered a heavy loss.
A.broke up
B.broke off
C.broke off
D.broke down
What type of extinguisher should be used for an electric fire? ________
A.CO2
B.Form
C.Water
D.Water and Form
A.had been destroyed
B.was destroyed
C.would be destroyed
D.would have been destroyed