ve you heard of it Firefightersrushed into a burning house, three of them unfortunately _____ in and ______their lives

Nowadays, it seems that many young people can’t live without smart phones.— ________. I think it’s bad for their health.

It’s too hot. Would you mind _______ the door—_______, please do it now.

I think swimming is ______ hiking.

He didn’t come to school yesterday, did he — _________.He was ill in bed.