1. Let the wind blow into the room, so we can breath.
2. Let ventilate a room.
3. I don't know which shirt you are talking about.
4 Strum a guitar.
5.You wait for me in the ball room, i will buy a ticket for you, we need a ticket to get in.
6. You should use your colour pen wisely, there are a lot of colour pens still be able to use.
7. If you spend the money in unnecessary thing, you will not have the money to buy food or milk.
or
Don't be extravagant with the money.
8. I have been told my your teacher that you did not take a nap, right?
9. Kipper did not hiccup anymore.