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)

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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

almost all

research

made

for support

Giải thích

Đáp án là C.

“made” -> “done”
“research” (thí nghiệm) đi với động từ “do” chứ không phải “make”