Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Trả lời câu hỏi dưới đây:
Hardly did he enter the room when all the lights went out.
Với cấu truc hardly….when ( vừa mới……thì), ta dùng thì quá khứ hoàn thành cho hành động thứ nhất hoàn tất trước hành động kia
Đáp án là A: did he enter -> had he entered
Hardly had he entered the room when all the lights went out.