Mark the letter A, B, C or D to indicate the best answer to each of the following questions.
14.10. With the __________ of 9 million people, Ho Chi Minh City is the most populated city in Vietnam.
(1 Point)
A. population
B. pollution
C. crowd
D. group
15.11. In order to broaden your __________, studying new words every day is a good way.
(1 Point)
A. grammar
B. communication
C. vocabulary
D. conversation
Xin hay nhất ạ