He got to the station late and missed the train ----By the 2) My mother has bought a car .It was made in Japan (use relative pronoun)

1. By the time he got to the station, the train had (already) left.

(thì quá khứ hoàn thành diễn tả sự việc diễn ra 1 sự việc khác trong quá khứ)

2. My mother has bought a car which was made in Japan.

(which thay thế cho từ chỉ vật "a car", giữ vai trò làm chủ  ngữ: which + V ...)