1.I wasn't hungry so I anything. (not/east)
2. What for breakfast? - Bacon and eggs. (they/have)

3. How many books? - Only one. (you /buy)

4. He..his presents on Christmas morning. (open)

5.1 my clothes on Sunday afternoon. (wash)

1.I wasn't hungry so I DIDN'T EAT anything.

2. What DID they HAVE for breakfast?

- Bacon and eggs.

3. How many books DID you READ?

- Only one.

4. He OPENED his presents on Christmas morning.

5. I WASHED my clothes on Sunday afternoon.