1. did we
2. ought not you
3.?? does he
4. needn't we
5. may not you
6.hadn't you

1. I prefer living in the country to living in the city
2. Are there green trees in forests in Viet Nam ?
3. The Great Wall of China is over 9m thick
4. The Nile River is 6.437 km long

1. She (not see) _____haven't seen_____ her sister for three months.

2. She (ask) ____would asked______ me if I came from Vietnam.

3. Listen to these foreigners! What language ____do______ they (speak) ____speak______?

4. We will stay at home if it (rain) ___rains_______.

5. The accident happened because he drove __carelessly__. (care)

6. We often take part in many __cultural__ activities at school. (culture)

7. The Internet has helped students study more __effectively__. (effective)

8. I bought an __interesting___ book last Sunday. (interest)

Mình từng đọc cái này rồi , nhưng thật ra mà nói mình cùng quan điểm vs bạn :)

Minh còn lại số quyển sách là :

156 - 48 = 108 ( quyển )

Đáp số : 108 quyển sách