Which sentence has one independent clause and no dependent clauses?

Question

Yesterday afternoon, we won our softball game.

Will, Doug and Peter are my brothers.
Before leaving for school, make sure you have everything you need.
When you finish typing your report, proofread your work and look over your spelling

Answer 1

The sentence that has one independent clause and no dependent clauses is:

"Yesterday afternoon, we won our softball game."

The other sentences contain dependent clauses.