---You say you are short of money. Why not sell your old gold watch for some money?--- Oh, I can’t, because it was a gift from my wife. I promised her I would never _________ it.
I don’t remember when and where I __________ this umbrella.
-What’s his brother? -He is a teacher.He__________ maths at a school.
-Help yourself to some more meat,Linda. -_______________.
-Do you need my help, Mary? -_____________.
-Hello,Jack.How are you doing? -__________.