Finish the following sentence with the best choice: how to wash a cup?

Choices:
- put soap on a sponge and get slightly wet, then rub sponge against all surfaces of the cup and rinse well
- put soap on a sponge and while sponge is dry rub sponge against all surfaces of the cup and dry well

Answer:
put soap on a sponge and get slightly wet, then rub sponge against all surfaces of the cup and rinse well