1.l do a lot of things last week.(do-did)
2.On the Monday,l played basketball.(删去the)
3.On the Tuesday,l saw a wallet on the ground.(删去the)
4.Then l pick it up and went to the police.(pick-picked)
5.The police thank me.(thank-thanked)
6.l am very happy that day.(an-was)
7.This morning,the police call our teacher.(call-tell)
8.They say they founed the owner.(founed-found )
楼上的,This morning之后用现在时~