III. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Trả lời câu hỏi dưới đây:
It’s about time you_______ your homework, Mary.”
Đáp án là B. Cấu trúc It’s time + Clause (thì QKĐG ): Đã đến lúc …