when having a chance,we should do这个句子语法对吗?

when having a chance,we should do这个句子语法对吗? when the chance has came ,we should how to do what should we do when we have a fever ?/是什么意思 what should we do when we are on a bus? we make a deal 这个句子对吗 Next,what should i do?语法对吗 what should we do when there is a fire? What should we do when there"s a fire 作文 What should we do when there is a fire When having worked all day,he went to bed.这个句子对吗 I should be a clever girl这个句子对吗? This's a great chance that many people do not have.这个句子中的do