---How long have you known the doctor ?  
---_________he helped me three years ago.

--- Your grandparents were very great.                               
--- Yes. They supported my father’s schooling _________ they were very poor.

— What’s your new math teacher like?
— Oh, he is very kind, ________ he looks serious.

---You bought the car ten years ago?
---Yes. ____ it’s old, it still runs well.

Jason was ill yesterday, ________ he didn’t go to school.

Which do you prefer to use, QQ______E-mail?

She is very happy ______ she has got many good friends.

— Why didn’t you try your best to get on the subway?
— I tried to, but it started moving ______ I could get on it.

— Why didn’t you try your best to get on the subway?
— I tried to, but it started moving ______ I could get on it.