Câu 20 :
4. Read again and write T(true) or F (false). Then correct the false sentences.
(Đọc lại bài và viết T(đúng) hoặc F(sai). Sau đó sửa lại câu sai.)
1. You should get lots of exercise.
2. Playing outside with friends is good exercise.
3. You should eat candy every day.
4. Meat and fish aren't good for you.
5. Sugar is bad for your teeth.
6. You shouldn't drink milk.