Hỏi: Many illnesses in refugee camps are the result of inadequate sanitation.

Hỏi:
Many illnesses in refugee camps are the result of inadequate sanitation.
A. cleanliness
B. dirtiness
C. pollution
D. uncleanliness
 
A là đáp án đúng
Lời giải:
sanitation = cleanliness (sự sạch sẽ)