1.They speak English in the Untied States
2.He broke the window yesterday
3.Some one watered the flowers just now
4.We put off the sports meeting because of the rain
5.They planted more trees last month
6.They planted more trees last month
7.We saw a lot of beautiful flowers there
8.He gave me a book yesterday
9.He bought me a gift last week
10.We often see him help others
还有一句告诉下谢谢 He finished the work just now