Tickets for today？
Sorry， we've got left， but we have a few for tomorrow．
五月份有31天．
有人担心将来机器人会取代人类．
Some people worry that robots will take the place of humans the ．
我们应该在扔掉废物前进行分类．
We should divide the waste into different groups before it ．
他们一大早就动身去伦敦旅行了．
They for London on a holiday early in the morning．
Danniel did the exercises too （粗心地）， and it made his teacher angry．