Раскройте скобки, пожалуйста 1).My little sister (just, discover) that Santa Claus (not,exist). She ....(believe) in him (

1) My little sister  HAS just DISCOVERED  that Santa Claus DOESN'T EXIST. She HAD BELIEVED in him SINCE the day she WAS born. 2) Can you DRAW  pictures with the help of your new computer? - I DON'T KNOW . I HAVEN'T DONE it yet. 3) HAVE You FOUND your pen? - No. But honestly speaking I DIDN'T even LOOK for it. 4) Do you like reding? - Yes, I HAVE READ three boooks this week. 5) Who HAS BROKEN my favourite cup? - It WAS me. I BROKE it while I was washing up. 6) Mum! This is a baby bird that HAS FALLEN (fall) out of the nest. 7) Where is Mum? Where HAS she GONE ? - I'm not sure, but I think she HAS GONE to the market. Yestarday she SAID  she NEEDED some vegetables. 8) We HAVE HAD this cottage for 15 years and we like it very much. 9) How long HAVE you BEEN here? - We ARRIVED 2 days ago. So, we HAVE BEEN here for nearly there days. 10) I HAVE KNOWN Peter all my life. - And I HAVE KNOWN him only since the last conference.