John used to write home once a week when he was abroad.

A. John doesn’t write home once a week any longer.

B. John enjoyed being written home every week when he was abroad.

C. John never forgot to write a weekly letter home when he was abroad.

D. When he was abroad he remembered to write home every week.

Đáp án: A

Giải thích: Used to do sth: đã quen làm gì trong quá khứ nay không còn làm nữa = S + do/does + not + V + …any longer.

Dịch: John không còn viết thư về nhà một lần một tuần nữa.