----- Nội dung dịch tự động từ ảnh -----
17. People are busy buying gifts, cleaning and decorating the house and
cooking traditional foods to welcome Tet holiday now.
A. national
B. customary
O C. important
O D. favourite
18.
1 điểm
18. This is the instance where big, obvious non-verbal signals are
appropriate.
O A. situation
B. attention
C. place
D. matter