The key answer of exercise 2

a)

1. bad at
2. good at
3. good at
4. bad for
5. bad at
6. good for

b)

1. for
2. from
3. of
4. with
5. of
6. in
7. to

c)

1. interested in; full of
2. famous for; afraid of
3. different from; nicer to
4. good at; angry with

d)

1. Marc's worked quite hard this year. He's good at grammar, but he's still quite bad at listening. He's interested in writing, but he must check his work.
2. I haven't been happy with Hugo this term. He's goof at speaking, but he's still quite bad at doing homework. He's interested in reading English magazines. He must work harder.
3. In some ways, Ana is doing well in class. She's good at speaking, but is still quite bad at grammar. She's interested in watching English / American films. She must read more.