(A)Their free trip, which they won (B) on a television game show, (C) include four days in London and

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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

(A)Their free trip, which they won (B) on a television game show, (C) include four days in London and (D) a week in Paris

Their free trip

include

Giải thích

Đáp án C

include-> includes

Kiến thức: sự hoà hợp giữa chủ ngữ và động từ

Giải thích: do “their free trip” là số ít nên chia động từ số ít