=>

1. The car is too expensive for her to buy.

2. Do you mind helping me to put the chair away?

3. You shouldn't sweep the house on the first day of Tet.

4. Do we have to finish the work today?

5. I'm interested in learning about other cultures.

6. If he doesn't phone her immediately, he won't get any information.

IX.

1. She can't afford to buy the car.

=> The car is too expensive for her to buy it.

2. I would like you to help me to put the chair away .

=> Do you mind helping me to put the chair away ? ( cấu trúc: Do you mind + V_ing )

3.If I were you , I wouldn't sweep the house on the first day of Tet.

=> You shouldn't sweep the house on the first day of Tet .

4. Is it really necessary for us to finish the work today ?

=> Do we have to finish the work today ?

5.Learning about other cultures is one of my interests.

=> I'm interested in ( hoặc fond of ,hoặc keen on) learning about other cultures.

6. Unless he phones her immediately, he won't get any information.

=>If he doesn't phone her immediately, he won't get any information .