Germs are very small. They can ________ the human body ________ the skin.
A. get up, across
B. get into, through
C. get into, across
Germs are very small. They can ________ the human body ________ the skin.
A. get up, across
B. get into, through
C. get into, across
试题篮
()
粤公网安备 44130202000953号
