题目

teachers should allowed students to design their school uniforms改为被动语态
sixteen-year-olds should‘t be allowed to drive
1)改为一般疑问句2）对drive提问
the work can be finished by Leo in three huors改为主动语态
they plant many trees every year改为被动语态
he spends lots of money on his stamp collection改为被动语态
she writes diaries about her students every day改为被动语态

提问时间：2020-09-05

答案

1.students should be allowed to design their shcool uniforms.
2.1)Shouldn't sixteen-year-olds be allowed to drive?2)What shouldn't sixteen-year-olds be allowed to do?
3.Leo can finish the work in three hours.
4.Many trees are planted by them every year.
5.Lots of money is spent by him on his stamp collection.
6.Diaries about her studeents are writen by her every day.