1. he has got different stamps.
2. the book is very interesting
3 what interesting books!
4 have you ever been to the Bolshoi Theatre?
5 do you usually do many exercises?
6 don't you tell her (say) that you are clever
7 he often tells me that he is very busy
8 when did you do your homework?
9 they are at work (working) now
10 listen! Jane is crying!