Bài 1: Điền "more" hoặc "less'' để hoàn thành những câu sau:
1. Eat_______fruits and vegetables.
2. Stay outdoor and do_______exercises to be healthier.
3. Drink_______alcohol or you will be weak.
4. Sleep_______and don't go to bed too late.
5. Practice_______and you will improve your skills.
6. Spend_______time on smartphone and laptop or you will ruin your eyes.
7. Go out_______and make some new friends, so you won't be lonely.
8. Drink_______coffee. It's not good for your brain.
9. Read_______books to broaden your knowledge.
10. Play_______computer games and study_______
Take_______vitamin A to strengthen your immune system