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.Some fashion designers have printed lines of poetry on the ao dai
=>Lines of poetry on the ao dai have been printed by some fashion designers
2.They sell jeans all over the world
=>Jeans are sold all over the world
3.Lan took Maryam to Hoan Kiem Lake
=>Maryam was taken to Hoan Kiem Lake by Lan
4.Some fashin designers have added the symbols to the ao dai
=>The symbols to the ao dai have been added by some fashin designers