----- Nội dung ảnh -----
```
Exercise 6: Rewrite these sentences;
1. Why not invite John to the party? -> Why don’t we ..................................?
2. Shall we call back to him? -> Why don’t we ..................................?
3. How about learning a new language in our free time?
-> Why don’t we ..................................................?
4. Why don’t we do D.I.Y together! It’s very relaxing.
-> Set’s .......................................................... It’s very relaxing.
5. Let’s give away our clothes to the poor. -> What about ..................................?
6. Why don’t we travel to Singapore on the holiday? -> What about ...........................?
7. Why don’t we work out in the park? -> Shall ..................................................?
8. What about changing our outfits at break time? -> Why don’t we ..........................?
9. Why don’t we dine out at that Italian restaurant? -> Why not ............................?
10. Let’s redecorate the living room to prepare for your birthday.
-> Why not .............................................................?

Exercise 7: Choose the best option to complete the following sentences.
1. Why don’t we ........................... a hiking trip tomorrow?
A. take B. taking C. To take
2. It’s boring. Let’s ........................... some sports.
A. playing B. to play C. play
3. I want to buy some clothes. How about ........................... shopping tonight?
A. going B. go C. to go
4. I’ve bought a new pair of rackets. Shall we .......................... playing badminton?
A. Shall we B. What about C. Let’s
5. There is a new interesting film on TV tonight. ...........................you come and see with me?
A. Why don’t B. Shall C. Should
6. What should we do this weekend? ...........................we go camping?
A. Why don’t you B. How about C. Shall
7. It’s nice today. ........................... go roller-skating.
A. How about B. Let’s C. Shall
8. It’s so cold! ........................... go to the cafe over there and get a hot drink.
A. Would you like B. What about C. Let’s
9. - I’m so tired. - ........................... going sailing this weekend? A. How about B. Let’s C. Shall we
10. There is a new swimming pool near our school. ........................... go swimming tomorrow?
A. Why don’t we B. Shall C. what about
11. ........................... go to a museum? A. don’t we B. don’t we C. don’t
12. Let’s ........................... for a meal. A. to go out B. going out C. go out
13. How about ........................... this weekend? A. to visit B. visit C. visiting friends
14. Why ........................... to the movies tonight? A. don't go B. don't you go C. not you go
15. ........................... to the travel agent's this afternoon to book our ticket.
A. Let’s going B. Let's go C. Let's go
Exercise 8: Underline the mistake in each sentence.
1. Let’s doing something nice at weekend.
2. Why don’t we go to a movie this evening?
3. Let’s go not to the movie at weekend. It is always so crowded at that time.
4. I don’t think we should be going to enjoy Chinese food.
```