Why must we go to bed?

Why must we go to bed? why i must we have to be alive? Why are we always tired,do you know?Firstly if we can’t sleep 1 ,Why are we always tired,do you know?Firstly if we can’t sleep 1 ,we will be tired.But we are often too 2 .We can’t finish our work in the day and we must do it 3 night.We go to be We must go to the cinema we must go to the cinema now must we go to school every day? Why do we go to college? why should we go to college? why we should go to school? why we must sleep We must be l------- to the school 帮忙翻译一句话 We don’t want to go on a tangent why this has to be the case Now find the original alive tired,why i must we have to be alive?I want to dead~Just say to somebody. He asks that he ________ an opportunity to explain why he’s refused to go there.A.is given B.must give C.should give D.be given 英译汉一句,地道些We must be willing to let go of the life we have planned so as to have the life that is waiting for us. We must go to school on time变成一般疑问句 It`s ten o` clock we must go to -------? We must go to school on time变成否定句?