--- Mum, have you seen my mobile phone?--- _________you bought last week? I’m sorry I haven’t seen _________.
______ are you doing this evening?
-- Will you be back _____ five in the afternoon? -- I am not sure, maybe later than that.
Who is _________ in your school, Mr Wang or Ms Lee?
He is ________ than ______ boy in the football team.
--Mr Simpson left for Paris yesterday. –How long will he ___________? A. go B. leave C. be away