1ое задания не нужно !

2)

have

have

has

have

have

3(

i know this mEn

his flats are very cosy

3 не знаю

stories were interesting

bosses have no spare time

4)

ne znayu

at

at ne znayu

from

of

1c

2a

3c

4c

5b

6b

7b,c

8c

9b

10c

11b

12b

13c

14d

15c

16a

17b

18d

19d

20c

21c

1they are old friends

2 i am a teacher

3 the weather is good today

1 we will be  interested in his progress

2 i will be your new teacher (  или   shall без разницы)