I don't know why they had the light ---(burn 适当形式加原因)all day

I don't know why they had the light ---(burn 适当形式加原因)all day The light was on all day long.I didn't know who ____.A.has t i don't know why he looked worry all day long.________ I don't know why he looked worry all day long改错 I don't know why,I had to try living my life on the other si i don t know (they),用所给词的适当形式填空 They don't study hard all day long!I hate I don't know!Why people will cry when they sad? Why do they they don’t know what【 】（do） at the weekend.在【】填 （do）的适当形式.非常 now I don't know why I I don't know how they deal with the problem=I don't know （ ） 2.I don't know _________ the day after tomorrow.