Correct the punctuation in the following sentences



1. I keep my room clean all the time?

2. Do you know the importance of opening the windows during the day!

3. "You must keep your nails short and clean?" declared our class teacher!

4. We covered the hole in our latrine to keep away bad odour!

5. Is that mango properly washed.

6. Did you say jog around your neighbourhood every Sunday. What a healthy way to start the day?