Question

Which is a simple sentence?

1. Why didn't you call me after you finished your chores?
2. Can you help me with this, or should I as someone else?
3. Did you know that we went to get ice cream after school yesterday?
4. Are you going to the store with your mother or your sister afternoon?

Answer 1

Number 3 is the answer.

Step-by-step explanation:

A simple sentence consist of only one clause, with a single subject and predicate.