5underline the correct word(s). 0 the man who/which waved to us was my friend. 1 i won't go on holiday to spain unless i'll get/i get a very cheap plane ticket. 2 that's the girl that/whose brother won a chess competition yesterday. 3 i haven't talked to her for/since ages. 4 you don't have
to/mustn't wash the dishes. i can do them myself. 5 her new mobile is the same/similar to tom's. 6 look! that plane over there is going to crash/ will crash into the airport!