VII

1. In the Bo Trach and Minh Hoa Districts of central Quang Binh province, in North central Viet Nam.

2. Its cave systems.

3. Travelers should take a boat ride through underground rivers to experience nature and enjoy fresh air.

4. 300 caves.

5. No, they haven't

6. Câu trả lời của bản thân. 

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VIII

1. Vietnam has lots of beautiful lakes.

2. Many tourists want to visit Sa Pa because the air is fresh.

3. Ho Chi Minh city is the biggest of three cities.

4. There aren't any deserts in our country.

5. Vinh is the tallest in our class.

6. Reading books is less interesting than watching TV.

7. My home village doesn't lie near behind the mountain.

8. Nam is Mr. Hung's student.

9. You must do your homework.

10. Minh sits behind Quang. 

1 )in Bo trach and Minh Hoa district of Quang Binh

2 ) 

3) they should take a boat ride through the underground river

4 )there are 300 caves

5 ) 20

6 ) yes because it has a boat ride through the underground river

1) Viet Nam has lots of beautiful lakes

2 ) ... because it has fresh air

3 ) Ho Chi Minh city is the biggest 

4 ) There aren't any deserts in our country 

5 ) Vinh is the tallest person in our class 

6 ) Reading books is more boring than watching TV

7 ) My home village is nearby the foot mountain

8 ) Nam is MR Hung student 

9 ) You must do your homework

10 ) Minh sits behind Quang