Решите тест по английскому языку

ой блин как это сложно братан нэ пэрэжевай щяс братанов пригащу

good evening.

hello!

let me introduce my friend alex.

pleased to meet you.

i haven't seen you for ages.

i didn't recognize you!

i'll see you tomorrow then.

goodbye!

how are you?

fine,thanks.

excuse me,is anybody sitting here?

i'm afraid this seat is taken.

1. can

2. could

3. were able 

4. can

5. are able

6. can

(не уверенна)