Complete the conversation. 26. can you help me with my english homework? a: it’s not ready b: why can’t you? c: i don’t understand it myself. 27. i am hungry. let’s go to the canteen to eat something. a: quite sure! b: good idea! c: it’s great! 28. are you free this wednesday? a: not very often! b: not until the evening! c: not long now! 29. i’ll wait for you outside the school. a: can we meet somewhere else? b: do you know how to do it? c: are you sure you went there? 30. oh no, i’ve lost my mobile phone? a: have you seen it before? b: have you looked in your bag? c: have you got it?