A. flu
B. allergies
C. mumps
D. headache
Flu: Cảm cúm
Allergy: dị ứng => số nhiều: allergies
Mumps: Quai bị
Headache: Đau đầu
=> Hand washing is very important to prevent flu virus.
Tạm dịch: Rửa tay là rất quan trọng để ngăn ngừa virus cúm.
Đáp án cần chọn là: A
To prevent ______, you should eat a lot of garlic and keep your body warm.
Sitting too close to the TV hurts your ________.
We should follow the advice from doctor and health ______ in order to keep fit.
You should do exercise every morning and stop eating junk food because you are ...... weight.
If you go out without wearing a hat, you will get....