1. There was once______ teacher _____ impressed me a lot.
A. a; who B. a; which C. the; whom D. the; that
2. I have done much of the work. Could you please finish ______ in two days?
A. the rest B. the others C. the other D. another
3. – Take a cigarette, please.
- No, thanks. It’s almost five years ______ I smoked.
A. before B. since C. after D. when
