21 have you known 
22 have you taken 
23 have she eaten
24 has lived
25 has lost
26 have/left/has left
27 have bought 
28 has written
29 have finished 
30 hasn't started 

How long……have.. you known……. each other?
22. Have you taken……….(You/ take)………… many photographs?
23. (She/ eat)……Has she eaten…………. at the Royal Hotel yet?
24. He (live) …has lived…….here all his life..
25. Is this the second time he (lose)……has lost………. his job?
26. How many bottles…have……… the milkman (leave) …left……….? He (leave) has left ……….. six.
27. I (buy)……have bought……. a new carpet. Come and look at it.
28. She (write)………has written….. three poems about her fatherland.
29. We (finish) ………have finished……………three English courses.
30. School (not, start)…hasn't started…………..yet.

21.
How long…….. have you known………. each other?
22.
……….Have you taken………… many photographs?
23.
Has she eaten…………. at the Royal Hotel yet?
24.
 He …has lived……….here all his life..
25.
Is this the second time he ………has lost……. his job?
26.
How many bottles……has…… the milkman ……left….? He ……has left….. six.
27.
I……have bought……. a new carpet. Come and look at it.
28.
She …has written……….. three poems about her fatherland.
29.
We ……have finished………………three English courses.