IN VIET NAM, YOU____________ USE ONLY THE FIRST NAME TO ADDRESS PEO...

4. - KIEM TRA 1 TIET LAN 2
Tiếng Anh KIEM TRA 1 TIET LAN 2

4. In Viet Nam, you____________ use only the first name to address people older than you.

A. should B. must C. shouldn’t D. have to