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.