No, I haven't. But (already/visit) London
When (you/go) to london?
I (go) to london two years ago?
I (travel) from May 10th to June 2nd
What (do) there all gay long?
I (watch) famous sights from morning till evening
What (you/like) most of all?
I (like) the London Eye and London Zoo.
I (see) a lot of rare animals in the zoo.
I even (meet) my old friend John there.
We (listen) to music, (talk) and (eat) traditional English dishes all evening.
раскрыть скобки и поставить в время Past simple, Past prograssive и Present perfect​

Are cleaning, has been dusting, has just finished, is reading, has been reading, hasn't finished, Have you seen, is having, have been sitting, has... been attending, has been attending, has already learnt, is, is making, is going to take part, has prepared, have you been, are going, Mike has already booked a table, is, is, is drying, has been drying, haven't washed, have you been living, have been living, have just finished, Has Pam found, hasn't, has been looking, are Greg and Dan doing, are fixing, have been working.

Are cleaning, has been dusting, has just finished, is reading, has been reading, hasn't finished, Have you seen, is having, have been sitting, has... been attending, has been attending, has already learnt, is, is making, is going to take part, has prepared, have you been, are going, Mike has already booked a table, is, is, is drying, has been drying, haven't washed, have you been living, have been living, have just finished, Has Pam found, hasn't, has been looking, are Greg and Dan doing, are fixing, have been working.