Исправь ошибку did you buy a ball yesterday ? -yes, i did . i bought small.1 2, did it raining when you left the house? 3, sorry, i haven't cooked lunch yet. -ok. i'm going to have some sandwiches then.

Yes, I did. I bought a small one.
2. Was it raining when you left the house?
3. Sorry, I haven't cooked lunch yet.  – Ok. I will to have some sandwiches then.