打开窗子透透新鲜空气。应当有礼貌地和老人交谈。乘出租车从我们学校到市中心只需20分钟。地球上的污染正变得越来越来严重。虽然我们尽了最人的努力，但还是输了比赛。
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．
The restaurant is open every day （除了） Monday．
When will our school sports meeting be held？
It will be held on （十一月）10th．
Where is your father？
He has already （飞） to Beijing．
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