It was only ___________ he told me his surname that I realized that we

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

It was only ___________ he told me his surname that I realized that we had been to the same school.

then

until

as soon as

when

Giải thích

Đáp án D

- Then: sau đó, lúc đó

- Until: cho đến khi

+ Cấu trúc: It was not until ...that (Mãi cho đến khi ...thì)

- As soon as: ngay khi

- When: khi (only when: chỉ khi)

ð Đáp án D (Chỉ khi anh nói với tôi họ của anh tôi mới nhận ra rằng chúng tôi đã học cùng trường.)