CHIMPANZEES ARE FREQUENTLY USED ASSTAND-INSFOR HUMAN BEINGS IN...
Câu 22. Chimpanzees are frequently used as
stand-ins
for human beings in experiments.
A. partners
B. stand-bys
C. substitutes
D. models
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in
meaning to the underlined word(s) in each of the following questions.