30 ! нужно сделать только 4,5,6 use the present perfect simple or continuous a: where's your sister? b: she's gone out with her friend. (go) a: you look terrible! what's wrong? b: oh, sleep) recently. too much homework. i think! a: do you want another slice of this pizza? it's excellent. b: no, thanks. (eat) 4)a: i'm so sorry i'm late! how ) b: too long! i'm soaking wet. 5)a: ) b: helping dad change a tyre on the car 6)a: ) the washing-up in there? b: no, not yet. ) how many dirty dishes there are?
5 What are you doing?
6. A-Have you finished ? B-Have you seen ...?