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

When the old man ________ past the park, he saw some children playing football.

A. was walking

B. is walking

C. walked

D. walks

Đáp án
A. was walking

Câu hỏi thuộc Bài tập:

Đề thi thử tiếng Anh THPT Quốc gia 2023 (Mã đề 017)