Ex.1.
1a 2a 3a 4d 5d 6d
Ex.2
1- 2a- 3a 4a- 5- 6-- 7a 8a the a the a 9the 10the
Ex.3
1 've read
2 hasn't cooked
3 were
4 isn't drawing
5 doesn't get up
6 are
7 has never see
8 shall buy
9 don't live
10 She's eating
Ex.4
1 large - larger - the largest
2 happy - happier - the happiest или happy - more happy - the most happy
прилагательные средней длинны могут строиться свою по двум правилам
https://forum.wordreference.com/threads/being-the-most-happy-being-the-happiest.2370356/
3 bad - worse - the worst
4 hot - hotter - the hottest
5 small - smaller - the smallest
6 interesting - more interesting - the most interesting
Ex.5
be - was/were - been
do - did - done
come - came - come
eat - ate - eaten
go - went - gone
find - found - found
make - made - maden
have - had - had
fly - flew - flown
sing - sang - sung
Ex.6
1 it
2 them
3 her
4 him
5 me
Ex.7
1 She's got a book
2 He hasn't got a computer
3 You can't sing
4 He's fine
5 She's not a teacher
6 The don't like jumping
7 She doesn't play in the park
8 I'm not a dancer
9 They've got a big garden
10 I'm an economist
Ex.8
1 feet
2 women
3 fishes
4 children
5 tomatoes
6 babies
7 knives
8 glasses
9 cats
10 boxes
Ex.9
1 this
2 these
3 that
4 those
5 this
Ex.10
1 It's my cat. It's mine.
2 It's his granny. It's his.
3 It's your float. It yours.
4 It's her dog. It hers.
5 It's their picture. It's theirs.