AFTER MANY YEARS OF HARDWORK, HE RETIRED.- AFTER HE ...

6. - ĐỀ CHỌN HSG AV9 SÔ 20
Lớp 9 Tiếng Anh ĐỀ CHỌN HSG AV9 SÔ 20

6. After many years of hardwork, he retired.

- After he ...