41. In the middle of our sleep there was a knock at the door.
There was a knock at the door when we were sleeping.//were in the middle of our sleep.
Bạn đang xem 41. - Đề thi học kì 1 môn Tiếng Anh 12 năm 2020-2021 có đáp án - Trường THPT Marie Curie