Rewrite without changing the meaning the teacher gave us a lot of presents?

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.....................................................................