We ...........(receive) 20 letters so far.
We have received 20 letters so far.
They................ ( just finish) her report.
have just finished
We .................. (not talk) to each other for a long time.
We haven't talked to each other for a long time.
He ...........(already see) that film.
has already seen
you/finish/your homework yet?
Have you finished your homework yet?
My parents .......................( divorce) for more than 15 years.
have divorced
............ you (hear)........... from Anna lately?
Have you heard from Anna lately?
......... she (ever be)..........to Hong Kong?
Has she ever been to Hong Kong?
Peter ............. (never see) such a beautiful girl before.
Peter has never seen such a beautiful girl before.
The standard of living in this country...............(improve) a lot during the past 10 years.
has improved
How long ............ he (live) here?
How long has he lived here?
She ..................(teach) English at this school for 5 years.
has taught
They ...............(live) in this city since 2010.
have lived
This is the second time they.............. (sing) English songs.
have sung