THE WORD "THEM" IN PARAGRAPH 1 REFERS TO ____
Câu 39 (TH):
The word "them" in paragraph 1 refers to ____.
A.
optical fibers
B.
pathways
C.
physicians
D.
other areas of the body
Câu 39 (TH):
The word "them" in paragraph 1 refers to ____.
A.
optical fibers
B.
pathways
C.
physicians
D.
other areas of the body