@HỌC TỐT
III.
1. B
2. D
3. Yes. they are.
4. Hanh's hobby is reading.
5. Mai always make other laugh with her jokes.
IV
6. Their sister spends less money than them.
7. Tan used to go to school late last year.
8. Nam did the test carefully, but it had many mistakes.
9. They have done gardening since half past six.
10. We are going to visit our grandmother tomorrow.
V.
1. We should keep ourr bodies warm to avoid flu and a cold.
2. You should not play more computer games in your free time.
3. Vitamins play important role in our diet.
4. Getting enough rest will help you concentrate at school
