1. I used to walk to school when i was a student.
2. How far is it from Hanoi to HCM city?
3. In spite of the bad weather, she went to school on time.
4. Waves will be used as an environmentally friendly energy source.
5. Why don't we go camping?
Kết Luận: Bài b làm đa số đúng chỉ hơi nhầm 1 tí ở câu 2.
`\text{Chúc bn hk tốt! +Xin ctlhn:33}`