Question

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

_____Paul realize that he was on the wrong flight.

A. No sooner had the plane taken off than 

B. Only after the plane had taken off

C. It was not until the plane had taken off that 

D. Not until the plane had taken off did

Answer 1

Đáp án là D.

Đây là câu kể nhưng realize : không chia quá khứ -> chọn ý D có yếu tố đảo trợ động từ: Not until + N/clause (chia ở quá khứ hoàn thành) + did + S + V: mãi đến khi…thì…