---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.
Boys, don't stop-please _______with your work.
- Can you help me clean the room? - OK, _______I have to wash the clothes first.
Everybody knows that blind people shouldn't
I think _______is meaningful to help other people.
Great changes _______in our country since 1990.