The last time she came back to her hometown was 4 years ago.
Giải thích
D
Dùng cấu trúc:
S + have/ has + not + Ved/3………for/ since + time a. The last time + S + Ved/2……was + time (years, month,..) + agoin + time (May, 1990,…) b. S + last + Ved/2 …… time + agoin + time |