把下列句子变被动语态

题目

把下列句子变被动语态
11.you should keep the room clean and tidy.
12.He is going to foget his stories.
13.She finds her brother listening some popular songs.
14.could you mend my bike?
15.Does she return the dictionary to you?
16.He reports that the population of China is still growing all the time.
17.we'd better help them at once.
18.Do they spend too much money on the car?
19.They shouldn't take photos in the museum.
20.we always hear her sing some English songs.

答案

11.The room should be kept clean and tidy.
12.His stories are going to be forgotten.
13.Her brother is found to listen some popular songs.
14.Could my bike be mended?
15.Is the dictionary returned to you?
16.It is reported that the population of China is still growing all the time.
17.They would be better helped at once.
18.Are too much money spent on the car by them?
19.Photos shouldn't be taken in the museum.
20.She is always heard to sing some English songs.
不明白的再问哟,请及时采纳,多谢!