When do we have to give______our compositions?为什么?

When do we have to give______our compositions When do we have to give______our compositions?为什么? we have to be ___ when we do everything. when do we have to be doing the research? 英语翻译We do what we have to when we fall in love.We say what w when we get home-if ever - he's going to have to do somethin There is ____(end) homework to do when we are going to have Do you know when to have a picnic?为什么用to have? 请问这里为什么用“do we When we fail to listen,not only do we not rec 英语翻译What we have to do is deal with it when these idividuals what do we have to wear when the weather is cold. What else do we have to do?