--Li Yuchun, the No. 1 Supergirl, is coming to our city to sing tonight.--Wow! _____ our evening classes could be canceled.
—Are you going to visit Mr. Black or Green tomorrow?—_______,because they won't be free until the day after tomorrow.
--I will be away from home for some time. Could you do me a favor and look after my baby?--Not at all. _______.