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.