The science of medicine, which progress has been very rapid lately, is perhaps the most important of all sciences

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Mark the letter A,B,C,D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

The science

which

very rapid

all sciences

Giải thích

Đáp án là B.

“which” -> “whose”
“whose” là mệnh đề quan hệ mang tính sở hữu, ở đây “whose progress” = The science of medicine’s progress