题目内容
Luckily, when the fire __________ on the top floor, all the employees had left for home.
A. took place B. take place C. will take place D. would take place
A
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题目内容
Luckily, when the fire __________ on the top floor, all the employees had left for home.
A. took place B. take place C. will take place D. would take place
A