—Mum, would you please buy me an MP5 player?—If you can help do the dishes the whole vacation, you ________ have one as a reward.

The boss has given everyone a special holiday, so we ________ go to work tomorrow.  

My cell-phone  has disappeared. Who       have taken it away?

— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.— Oh, it __________ my younger sister. She was in my room at that moment.

—Would you like some______?—Thank you, but l don’t like it.