BÀI 2
1. We should keep our bodies warm to avoid flu and cold
2. Getting enough rest helps you concertrate on school
3. Vitamins play an important role in our diet
4. You should not play more computer games in your free time
5. The doctor is asking Mai some question about her health problems
BÀI 3
1. Laughing is good for health. (not good → good, with → for)
2. Some people have a bad habit of littering in picnic. (in → of)
3. People who live in a dusty area often suffer from diseases. (on → from)
4. To prevent flu, we should keep our hands clean , our feet warm. (in → to)
5. She had a sore throat yesterday. (has → had)
CHO MIK CTLHN NHA
CẢM ƠN BẠN
CHÚC BẠN HỌC TỐT