Mark the letter A, B, C or D on your answer sheet to indicate the correct sentence that best combines each pair of sentences in the following questions.We arrived at the airport. We realized our passports were still at home.

Tạm dịch: Chúng tôi đến sân bay. Chúng tôi nhận thấy rằng hộ chiếu của chúng tôi vẫn còn ở nhà

We arrived at the airport. We realized our passports were still at home.

    Quá khứ đơn                 Quá khứ đơn            Quá khứ đơn

A.   It was until we arrived at the airport that we realize our passports were still at home.

                                                                                       Hiện tại đơn => sai thì => Đáp án sai

B.    We arrived at the airport and  realized our passports are still at home.

                                                                                       Hiện tại đơn => sai thì => Đáp án sai

C.    Not until  had we arrived at the airport we realized our passports were still at home.

                         Quá khứ hoàn thành=> sai thì => Đáp án sai

D.   Not until  we arrived at the airport , did we realize our passports were still at home.

Cấu trúc: It was not until + clause that + S + V (quá khứ đơn)+.....

               = Not until + clause , did S + V (nguyên thể)...............

(Mãi cho đến khi..)

ð Đáp án D