1 has done
2 have found
3 has sent
4 have tried
5 have eaten
6 has bought
7 have started
8 has broken
9 have lost
10 has taken
2 exercises
1 just
2 already
3 since
4 ago
5 yet
6 since
3exercises
1 We love Moscow because we have come back.
2 The appeared a new book by English