It is really a pity that as many as 58 lives didn’t ______ the big high-rise fire that happened in Shanghai on 15th.November,2010.

. Do you know the man from________ house the pictures were stolen

This problem may lead to more serious onesif _____ unsolved.

It is required in our school thatlights in students’ rooms ______ off by 11o’clock.

Will you stay for lunch? —— Sorry, ＿＿＿＿＿. My brother is coming to see me.