----- Nội dung dịch tự động từ ảnh -----
1. A tornado hit many houses and buildings.
-> Many
2. People prepared enough food and wafer for a disaster.
-> Enough food and water
3. They will plant more trees to reduce pollution.
-> More trees
4. A group of students have met their classmates at the train station.
-> Their classmates
5. The Chinese discovered acupuncture thousands of years ago.
-> Acupuncture