Please be_______. There's an important meeting in the next room.
-- How long has your son __________ the ipad2? -- Only about two weeks.
-- May I use your mobile phone, Meimei? --Sorry, I _________ it at home.
--Don’t _________ too late, or you will feel sleepy in class.--I won’t, Mum. Good night!
-- It’s too cold outside. Would you mind closing the window ? -- __________.
I prefer ________ at home rather than _________ out for a picnic on a rainy day.