Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
David refused__________ in the contest because he was ill.
A. to participate
B. participate
C. participating
D. to participating
David refused__________ in the contest because he was ill.
A. to participate
B. participate
C. participating
D. to participating
Cấu trúc: - refuse + to V: từ chối làm gì đó
E.g: She refused to answer private questions.
Dịch: David từ chối tham gia cuộc thi bởi vì cậu ấy bị ốm
E.g: She refused to answer private questions.
Dịch: David từ chối tham gia cuộc thi bởi vì cậu ấy bị ốm
Đáp án A.