——Where is Mr. Wang?——She’s _________ to London, and she’s ___________ there twice.A. gone; beenB. been; beenC. been; gone
-- 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.
--Tom used to be afraid of snakes. -- ________. I thought they were scary.