1.Chirstoper Columbus discovered America.
America.....................................................................
2.The teacher gave us a lot of presents.
We.....................................................................
3.His parents made him study hard for the exam.
He.....................................................................
4.Poest have mentioned the Ao dai in poems.
The Ao dai.....................................................................
5.Some fashion designers have printed lines of poetry on the Ao dai.
Lines of poetry.....................................................................
6.Some fashion designers have added the symbols to the Ao dai.
The symbols.....................................................................
7.They have built two department stores this year.
Two department stores.....................................................................
8.No one has seen Mary since 3 o’clock.
Mary.....................................................................
9.Trang has just won the first prize.
The first prize.....................................................................
10.Peple have used the Internet for education in recent years.
The Internet.....................................................................
11.Famous engineers have designed the washing machine.
The washing machine.....................................................................
12.They have just built a new bridge here.
A new bridge.....................................................................
13.The clothing store has just introduced a new style of jeans.
A new style of jeans.....................................................................
14.The fashion designers have just made a new style of jeans.
A new style of jeans.....................................................................
15.You must do this work right away.
This work.....................................................................
16.They will build a new station here.
A new station.....................................................................
17.I think he should decorate his room again.
I think his room.....................................................................
18.You should send this letter before Saturday.
This letter.....................................................................
1. He did a lot of homework carefully
=>A lot of homework was done carefully.
2. Nobody has used this machine for months.
=>This machine has not been used for months.
3. They made the boys work long hours
=> The boys were made to work long hours.
4. They will pay designers a lot of money.
=>Designers will be paid a lot of money.
5. They use a computer to do that job nowadays.
=>A computer is used to do that job nowadays.
6. Tom rarely tums off the fan before leaving
=>His parents suggested the fan be turned off by Tom before leaving.
7. Weather conditions influence most people's lives
=>Most people's lives are influenced by weather conditions.
8. They used to do most of their farmwork by hand.
=>Most of their farmwork used to be done by hand.
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