13.4 put the verb into the most suitable form,present perfect or past simple. 1.a: look! somebody has spilt(spill)coffee on the carpet. b: well,it wasn't (not/be)me.i didn't do (not/do) it. 2.a: ben ) his leg. b: really? how /happen)? a: he ) off a ladder. 3.a: your hair looks nice. /have) a haircut? b: yes. a: who ) it? /go) to the hairdresser? b: no,a friend of mine ) it for me.

1.A:Look!Somebody has spilt coffee on the carpet. B:Well,it wasn't me.I didn't do it. 
2.A:Ben has broken his leg. B:Really?How did that happen? A:He fell off a ladder. 3.A:Your hair looks nice. Have you had a haircut? B:Yes. A:Who cut it? Did you go to the hairdresser? B:No,a friend of mine did it for me.