1. informative

2. interaction

3. population

4. widely

5. interesting

6. Qualified

7. development

8. peaceful

9. economical

10. inventor 

__Good marks!__

A

A

=> Because the weather was bad, I couldn't go camping.

=> Mr.An works less responsibly than Mr.Long

=> The teacher asked Hoa how many courses she wanted to attend

=> I am leaving now so that I want to get to the office on time

=> I don't remember exactly when my parents set up this workshop

=> Mount Everest is the highest mountain in the world

=> We spent more than 3 hours discovering the inner Ha Noi

=> Jimmy asked me when would I meet him

=> Jim said that he was going to work for a new company next week

__Good marks!__

B, However

A, which

D, interested

A, some

neighborhood

usually/for/do/ use /study / internet/ your /the/ you

=> You usually use the internet for your study

my favourite subject are Math and English