题目内容
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
B
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题目内容
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
B