Mark the letter A, B,C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
Up to the World War II almost all (A) important research (B) in physics had been made (C) in universities, with only university funds for support. (D)
A. almost all
B. research
C. made
D. for support
Đáp án là C.
“made” -> “done”
“research” (thí nghiệm) đi với động từ “do” chứ không phải “make”