1. make present perfect sentences 1. they/finish/their lunch? 2 your friend/arrive/yet? 3. julia/just/write/an invitation letter to her friend. 4. jack/not/send/me an answer yet. 5. jill and frank/be/married for ten years

Have they finished their lunch?
Has your friend arrived yet
Julia has just written an invitation letter to...
Jack has not sent me an...
Jill and Frank have got married for 10...
извиняюсь,что не полностью и без знаков препинания