Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions.Our knowledge of the disease ha

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions.

Our knowledge of the disease has advanced considerably over recent years.

A. improved
B. decreased 
C. degraded 
D. suffered

Trả lời

Chọn A

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