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.

Câu hỏi

One third of the milk I bought yesterday have turned sour.

A. the

B. bought

C. have

D. sour

Đáp án
C. have

Câu hỏi thuộc Bài tập:

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