do you know what the reason of the fire that broke out in the hotel last night was?修改病句
问题描述：
do you know what the reason of the fire that broke out in the hotel last night was?修改病句
答
was去掉
答
应为
Do you know what was the reason of the fire broke out of the hotel last night ?
答
句式：What is the reason of st.
过去式应改为：What was the reason of st.
放进去改一改,以后就会了.
答
do you know what the reason was that the fire broke out in the hotel last night.