nobody knew ___when the big fire broke up
问题描述：
nobody knew ___when the big fire broke up
a how to do
b what to do
c what to do it
d how would they do
答
选 b
Nobody knew 【what to do】when the big fire broke up.
大火突然爆发,没人知道该怎么办.
希望帮助到你
满意请采纳哦,谢谢o(∩_∩)o ~~~