Pets - budgie, guinea pig.
farm animals - cow, sheep.
inseccts - beetle, ant.
zoo animals - peacock, giraffe, crocodile.
1) the train had just left.
2) everybody had already gone out.
3) they had just come from shool.
4)he had arranged to meet some friends at the club.
5) i hadn't seen her for seven years
2.is doing
3.am going
4.spend
5.goes, drives
7.suffers
8.don't want
9.belongs
10.boils
11.have
12.am having
13.plays
14.is playing
15.play
16.is cooking, doesn't cook
17.makes
18.is making