问题
选择题
If the bottle of gas fire, the whole building may
A．will catch, be burned to the ground
B．catches; be burned down
C．is on, burn down
D．will be on; be burned down
答案
答案：B
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If the bottle of gas fire, the whole building may
A．will catch, be burned to the ground
B．catches; be burned down
C．is on, burn down
D．will be on; be burned down
答案：B