13. “Why do you think most people learn English?” – “_____”. ​A. All of them are​​​​ B. I hear it is very good​​​ C. Because it is useful to them​​ ​D. Because I like it Question 14. Mid-Autumn Festival not only recalls the family love, _________ is also a festival for both children and adults in Vietnam. ​A. and​​ ​B. but​ ​​C. yet​​​ D. therefore Question 15. Tet is a best time for Vietnamese people paying respects _______ their ancestors. ​A. for​ ​​B.to​​​ C. with​​​ D. on Question 16. Mai An Tiem is the adopted son of Hung King but he with his family _____to move to the island and _______there alone because his father misunderstood him. ​A. had - lived​​ B. had – was living​ C. had had - lived​ D. had – has lived