Question

Choose the topic sentence.
We hate cleaning! We must do it every week, and it's so boring. We must clean the bathroom, wash the floors, and hoover everywhere. We wish we would just pay a cleaner to do it instead.

1. We must do it every week, and it's so boring.    
2. We must clean the bathroom, wash the floors and hoover everywhere.    
3. We hate cleaning!    
4. We wish we could just pay a cleaner to do it instead.