Chọn đáp án đúng nhất
1. A. compulsory
B. technology
C. academic
D. eliminate
2. A. exploration
B. attractive
C. conventional
D. impatient
3. A. responsible
B. apprehension
C. preferential
D. understanding
4. A. responsibility
B. trigonometry
C. conversation
D. documentary
5. A. doubtful
B. solidify
C. politics
D. stimulate
6. A. brotherhood
B. vertical
C. opponent
D. penalty
7. A. economics
B. sociology
C. mathematics
D. philosophy
8. A. climate
B. attractive
C. graduate
D. company
9. A. satisfy
B. sacrifice
C. apology
D. richness
10. A. activity
B. allergic
C. volunteer
D. employer
11. A. automatic
B. reasonable
C. mathematics
D. preservation
12. A. dangerous
B. successful
C. physical
D. gravity
13. A. specific
B. coincide
C. inventive
D. regardless
14. A. habitable
B. famously
C. geneticist
D. communist
15. A. abnormal
B. initial
C. innocent
D. impatien