Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
She didn’t understand the benefits of volunteering until she joined this club.
A. Not until she joined this club did she understand the benefits of volunteering
B. It was not until she joined this club did she understand the benefits of volunteering
C. Not until did she join this club, she understood the benefits of volunteering
D. Not until she joined this club that she understood the benefits of volunteering
A
Tạm dịch: Cho đến khi cô tham gia câu lạc bộ này, cô mới hiểu được những lợi ích của hoạt động tình nguyện.
It is/ was not until + clause/ adv of time + that... + S + V = Not until + clause/ adv of time + Auxiliary + S + V
=> nhấn mạnh khoảng thời gian mà một sự việc xảy ra.
=> Đáp án A