1． Someone saw him use the computer yesterday.(改为被动语态)

1． Someone saw him use the computer yesterday.(改为被动语态)
He ____________________ use the computer yesterday.
2.Most people in India use English as a second language.(被动语态)
English __________ as a second language by most people in India.
3．We see them clean the classroom every day.(被动语态)
___________________________ the classroom every day.
4．The teacher made the students clean the classroom.(被动语态)
The students _______________________ the classroom.
5.I bought my mother a dress on Mother’s Day.(被动语态)
A dress _______________________ on Mother’s Day.
6．You must hand in your homework by the weekend.(被动语态)
Your homework ___________________________ by the weekend.
7.We’ll make the machine in our factory.(被动语态)
The machine _____________________ in our factory.