Question

3. She / good / dancing. 4. 1/fond / reading books. 5. They / interested / doing aerobics. 6. You / keen / using the Internet. 7. He/good/ playing chess. 8. We/fond/ riding bikes. 9. She/ interested/ music.​

Answer 1

Ответ:

3 She is good at dancing.

4 I am fond of reading books.

5 They are interested in doing aerobics.

6 You are keen on using the Internet.

7 He is good at playing chess.

8 We are fond of riding bikes.

9 She is interested in music.

Объяснение:  

Answer 2

Here are the sentences with the missing verbs filled in:

3. She is good at dancing.
4. I am fond of reading books.
5. They are interested in doing aerobics.
6. You are keen on using the Internet.
7. He is good at playing chess.
8. We are fond of riding bikes.
9. She is interested in music.