UNICEF_______ clean water and food _______ poor children in many countries.
---Excuse me, Sir .But smoking is not allowed here. -----Sorry,I didn’t see the sign.I’ll __________ my cigarette at once.
—Would you mind my sitting here, Sir? —_________. It’s for my wife.
I_______ my homework when the door bell__________.
What are you busy doing, Sandy? —— I’m making some flash cards _________ me remember English words.
Have you bought_________ for Linda’s birthday? ----Not exactly.Just some flowers.