Task 1.

1. e

2. f

3. b

4. c

5. g

6. d

7. a

Task 2.

1. D

2. B

3. B

Task 3.

4. He is moody and can be agressive sometimes.

5. Tom is a lazybones, he hasn't got any plans for future.

6. She is worried about Harry, because he isn't happy enough. But also she thinks about Tom, because he doesn't know what he will do after the school.

7. Because she loves her children and without them her life will be boring.