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

She came while I ________ my homework.

A. have done

B. am doing

C. was done

D. was doing

Đáp án
D. was doing

Câu hỏi thuộc Bài tập:

Đề thi thử tiếng Anh THPT Quốc gia 2023 (Mã đề 018)