Câu 15: ____ his homework, he started to surf the social networks.
A. After he had finished B. After he has finished
C. By the time he finishes D. At the time he finished
Blacken the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each
of the following exchanges from 16 to 17
Bạn đang xem câu 15: - Đề kiểm tra Tiếng Anh 11 lần 2 năm 2020 - 2021 trường Hàn Thuyên - Bắc Ninh -