简单的英语有关被动语态
问题描述：
简单的英语有关被动语态
将下列句子改成被动语态.
1.We must water the flowers every day.
2.You can use a dictionary in the exam.
3.Can you mend this radio?
4.We should not allow fifteen-year-olds to work at night.
5.Stndents must clean their classroom every day.
答
1.The flowers must be watered by us every day.
2.A dictionary can be used in the exam.
3.Could the radio be mended by you?
4.Fifteen-year-olds should not be allowed to work at night
5.The classroom must be cleaned every day by the students.