Задание 1.
1. given
2. an
3. to
4. of
5. to
6. is, play
7. a
8. back
Задание 2.
1. powerful
2. homeless
3. dictation
4.meeting
Задание 3.
1. haven't seen
2. have met
3. has become
4. has begun
Задание 4.
1. 1) I haven't spoken to Mr.Norris 2)Have you spoken to Mr.Norris?
2. 1) My sister hasn't done her room 2) Has my sister done her room?