1.
2 economics
3 German
4 a newspaper
5 sorry
6 glasses
7 exercise
8 animals
9 a new car
10 an umbrella

2.
a)
2 doesn’t rain
3 live
4 changes
5 doesn’t cook
6 doesn’t wear
7 don’t have
8 need
9 makes
10 don’t do
b)
2 doesn’t wear
3 drink
4 doesn’t do
5 don’t play
6 doesn’t eat
7 wears
8 does
c)
2 don’t go
3 has
4 doesn’t work
5 rains
6 live
7 doesn’t speak
8 study
9 don't do

3.
a)
3 S
4 D
5 D
6 S
7 S
8 D
9 D
10 S
c)
2 watches
3 finishes
4 uses
5 kisses
6 changes