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/You must give this machine back before 5:30 pm
This machine must be given back before 5:30 pm
2/Someone turned off the lights when I went out
The lights were turned off when I were gone out
3/They have changed the traditional ao dai a lot since then
The traditional ao dai has been changed a lot since then
4/People make wine from grapes
Wine is made from grapes
5/Mary and Tom invited three hundred people to the wedding
Three hundred people were inveted to the wedding by Mary and Tom
6/They send two million books to America every year
Two million books are sent to America every year
7/Alexander G.Bell invented the telephone
The telephone was invented by Alexander G.Bell
8/His brother invited all the students in my class to his party
All the students in my class were invented by his brother to his party