Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
We arrived at the conference. We realized our reports were still at home
A. We arrived at the conference and realized that our reports are still at home
B. It was until we arrived at the conference that we realize our reports were still at home
C. Not until we arrived at the conference, did we realize that our reports were still at home
D. Not until had we arrived at the conference, we realized our reports were still at home
Đáp án C
Đáp án C – Đáp án chính xác nhất
Công thức: Not until + S Ved.2 + did + S +Ved/2
Các đáp án khác
A – Sai về sự hòa hợp thì “ are still at home”
B – Ta có: It was not until SVed/2 that SVed.2
D – Công thức viết lại đảo ngữ: Not until sai