7. B - more comfortable
Make sth adj
8. D - life on
A possility of life : khả năng có sự sống
9. Development economic - economic development : sự phát triển kinh tế
10. Said - told
11. Because of - because : because đi với mệnh đề
12. Still trap - still trapping
13. Typically - typical
14. Problem - problems
One of the most adj N(s/es)
15. Not rarely - rarely
16. Physical - physician : nhà vật lý học
17. Is taking - takes