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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.
Bill's mother won't let him go out with his friends __________.
A. after he had finished his homework
B. once he finished his homework
C. until he has finished his homework
D. when he finished his homework
Bill's mother won't let him go out with his friends __________.
A. after he had finished his homework
B. once he finished his homework
C. until he has finished his homework
D. when he finished his homework
Kiến thức về mệnh đềTa có vế trước là tương lai đơn => vế sau phải chia hiện tại→ Ta bỏ hết các đáp án chứa quá khứ => loại A, B, DTạm dịch : Mẹ của Bill sẽ không cho anh ta đi chơi chỉ khi nào anh ta chịu hoàn thành xong bài tập về nhàNote: go out with sb: hẹn hò, đi chơi với ai
Đáp án C.