Question 31: According to the text, the number of the elderly rises because of _______.

Question 1

A. social security

Answer

A. social security

Question 2

B. medical care

Answer

B. medical care

Question 3

D. stable employment

Answer

D. stable employment

Question 4

C. economic crisis

Answer

C. economic crisis

Câu hỏi: Question 31: According to the text, the number of the elderly rises because of _______.