Fill in yet, how long, never, since, just, for or ever, as in the example.
1) *How long* have you lived in Turkey?2) Sophie has ...... been to the operabefore.3) I've ...... finished my homework.4) He has been working in Hungary ....... 19935) A: Have you paid the phone bill?B: No, I haven't paid it ......... .6) ......... have you worked here?7) A: Have you cleaned your room?B: Yes, I have .... cleaned it.8) I have ..... been fishing before.9) Have you ..... been on a canoe trip?