1. He sent the girl a letter.

(1) =>The girl was sent a letter.

(2) => A letter was sent to the girl.

2. She is showing her friends the new computer.

(1) =>Her friends are being shown the new computer.

(2) =>The new computer is being shown to her friends.

3. Her mother often tells the girl tale stories.

(1) =>The girl is often told tale stories by her mother.

(2) => Tale stories are often told to the girl by her mother.

4. They will pay you $500.

(1) => You will be paid $500.

(2) => $500 will be paid to you.

1. collection (large la tính từ sau nó thường lá danh từ và trước giới từ là 1 danh từ)
2. sporty (sau very thường là 1 tính từ)

We should eat a lot of fruit and vegetables every day.

Playing a musical instrument is not as difficult as composing a song.

How much water do you drink every day?

44. How many brothers and sisters do you have?
45. How many rooms are there in your house?

80 

1.   This is the first time I've ever painted a mural over graffiti.

-->I have never painted a mural over graffiti before.

2.   Mr. Binh started recycling rubbish two years ago.

-->Mr. Binh has recycled rubbidh for two years.

3.   David failed the exam because of his laziness.

-->Because David was lazy, he failed the exam.

4.   They haven’t cleaned up the street for five months.

-->It’s five months since they last cleand up the street.

5.   We have donated books and clothes for ten years.

-->We began donating  books and clothes ten years ago.

1.  Yesterday I went to school late because I missed the bus.

2.  Have you ever been to Hoi An?- Yes, I visited Hoi An last year.

3.  Can you list some reasons why people volunteer?

4.  Do you like working with children or with elderly people?

5.  It is good to donate blood because you can save people’s lives.

6.  The lakes are full of rubbish. We should ask our friends to clean them this Sunday.

7.  The hurricane was terrible. Many houses are destroyed and many people became  homeless.       

8.  They are cold and hungry. They have to live on the street this winter. We should ask people to help them.