David often helps Sandy ___ her Maths, he shares his school things___ her.
We need some vitamins to keep______________.
Breakfast gives us energy ________ the __________morning.
Mr. Wang is too busy and __________ exercises. It’s not good for his health.
— ___________ do you watch TV every day? —For about half an hour.
—Can I borrow ________ money from you? —Sorry, I don’t have ________ .