It was last night ______ I saw the accident.

I notice Linda is often absent from school because of illness. _______ she is not so healthy as she used to be?

It was ___ the quality of life in the future ___ I took this training course, not just to make more money.

(2013·合肥模拟)—　　　　bargaining is so interesting?—Sometimes it is a test to see who can stand their ground for the longest.

---Where did you get to know her? --- It was on the farm ______ we worked．