IV.
1. How many students are there in your class?
2. Do you think you'll go camping this weekend?
3. Where are you going to study next year?
4. My older brother doesn't cook as well as me.
5. I've never seen the smallest car we hired.
V.
1. top
2. mean
3. shy
4. brain
5. thirsty
6. sunbathe
7. scarf
8. back
9. mountains
10. teeth
VI.
1. safe
2. lazy
3. messy
4. boring
5. impolite
VII.
1. pair
2. rent
3. on
4. now
5. time
6. money
7. camping
8. at
9. buy
10. shoes
Chúc bn hok tốt!