Here’s how you can complete the sentences using the correct forms of the given verbs:

1. **did** - Hi, Sam. What (1) **did** you do yesterday?
2. **went** - I (2) **went** for a walk and I (3) **watched** a cartoon yesterday.
3. **doing** - What do you like (4) **doing** in your free time?
4. **do** - I like (5) **surfi**ng the Internet and (6) **playing** the violin.
5. **watering** - Me too! I also like (7) **watering** the flowers.

Now, you can fill in the conversation:

A: What do you like doing in your free time?
B: I like **playing**.