1.We study English in our school
2.We don't play football here
3.He mended the bike yesterday
4.People take good care of trees here
5.We can't put our bikes here
6.Must we hand in the books now?
7.We must finish our homework first
8.Uncle Wang is mending my bike now
9.They will build a new bridge over the river
10.We must do something to help her
11.Do many people speak English?
12.Our teacher told us an interesting story yesterday afternoon
13.Did you break the glass?
14.He has opened the window.
15.People often see her read under that old apple tree
16.She dusis the cupboard every day
17.They bought me a new pencil boy.
顺便告诉我怎么转换