a) Sarah and Simon

1. Can she swim? Yes, she can.

2. Can he play guitar? No, he can't.

3. Can she ride rollerblade? No, she can't.

4. Can he play basketball? Yes, he can.

5. Can she play volleyball? Yes, she can.

6. Can he ride skateboard? No, he can't.

7. Can she play violin? No, she can't.

8. Can he ride hourse? No, he can't.

9. Can she ski? No, she can't.

10. Can he jump? Yes, he can.

11. Can she climb? Yes, she can.

b) Dave and Rosy

1. Can they swim? No, they can't.

2. Can they run? Yes, they can.

3. Can they play tennis? Yes, they can.

4. Can they play basketball? No, they can't.

5. Can they ski? No, they can't.

6. Can they play football? Yes, they can.

7. Can they ride bicycle? Yes, they can.