Because(A) the Red Cross accepts(B) blood from most donors, the nurses will not let you give(C) blood

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Marking the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions from 11 to 15.

Because(A) the Red Cross accepts(B) blood from most donors, the nurses will not let you give(C) blood if you have just had(D) a cold.

Because

accepts

give

have just had

Giải thích

Đáp án là A.

Mệnh đề thứ nhất và mệnh đề thứ hai mang ý nghĩa đối nghịch nhau. Sửa because => although.