2. Jim couldn't play guitar five years ago, but now he can.

3. Susan couldn't swim when she was young, but now she can.

4. Bob couldn't ride a bike five years ago, but now he can.

Ответ:

2. jim couldn't play the guitar five years ago, but now he can.

3. susan coulnd't swim when she was younger, but now she can.

4. bob coulnd't ride a bike five years ago, but now he can.