11. I rarely eat ____ and drink ____ because they're not good for health.   A. snack/energy drink     B. fast food/juice     C. fruit/alcoholic drink D. junk food/soft drink   12. Generation ____ is the difference in the thoughts and viewpoints amongst generations living together.   A. distance   B. gap   C. space.   D. All are correct   13. I was tired and couldn't ____ on doing my research project properly.   A. concentrate B. look   C. pay attention D. Both A and C   14. My parents don't let me get married until I graduate from university and they never ____ their mind about that.   A. keep   B. impose   C. focus  D. change   15. The ____ arises when Jack and his parents have considerable disagreement on his choice of university.   A. discrimination B. conflict   C. agreement  D. gap   16. I do morning exercise and play volleyball regularly so as to keep ____ and be healthier.   A. fit    B. good shape   C. healthy  D. strong   17. My father used to ____ a lot of challenges before establishing his own insurance company.   A. provide   B. enjoy  C. give   D. face   18. I wish I could do something to reduce financial ____ on my parents.   A. capital   B. burden  C. limit   D.  gap