4. make a sentence. use the present perfect. model: i'm tired. (i / walk / miles) – i've walked miles. 1. emma's computer is working now. (she / repair / it) 2. it's cooler in here now. (i / open / the window) 3. the visitors are here at last. (they / arrive) 4. mark's car isn't blocking us in now. (he / move / it) 5. we haven't got any new videos. (we / watch / all these)