Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

A fire-fighter was injuried severely while he _______ to put out a fire.

A. would help

B. helped

C. has helped

D. was helping

Đáp án
D. was helping

Câu hỏi thuộc Bài tập:

[042] - Đề thi thử tốt nghiệp THPT 2024 - Môn Tiếng Anh - TRƯỜNG THPT HẬU LỘC 1 - THANH HÓA