Помогите пожалуйста!
Use Present Perfect or Past Simple
1. I can't go out because I ... (not finish) my work yet.
2.The actors...(arrive)yesterday and...(start)rehearsals carly this morning.
3. ... you...(be) here before?
4. I ... (not,see) him for thre years.
Fill the blanks with IF,EVEN IF, UNLESS;
1. Ann doesn't like discos and wont come ... you invite her.
2. I'll boring ... Helen comes.
3. It'll be great ... I get the high mark for my test!

have not finishedarrived, have startedHave you been....I  have not seen him ........even ifunlessif