dựa vào các từ gợi ý viết câu hoàn chỉnh
1. when / nice / family / spend / weekend / grandparents / farm
2. should / do / some morning exercises. / It / be good / your health
3. Jessica / usually / sports / free time / sometimes / camp / classmates
4. Which / bigger / Mexico City / London?
5. Trash / pollute / land / rivers / oceans