`1.` They are taught vocabularies by Mr. Huynh.
`2.` Your homework should be done.
`3.` This house was built by Nam in 1999.
`4.` The letter was posted by Wind last month.
`5.` Her new restaurant will be opened next Monday.
`6.` The meeting had to be postponed because the boss was ill.
`7.` The window is cleaned by Hoa every week.
`8.` Service is included by this bill.
`9.` He was not told that his parents came back.
`10.` This fans were used all day.
iv
`1.` is written
`2.` is delivered
`3.` was repaired
`4.` isn't going to be gone
`5.` use
`6.` repairing
`7.` hasn't been changed
`8.` are being knocked
$JeiKei$