Food safety is important. Rules _____ to stop people from food pollution.
We like talking _______ each other _______ interesting things after school.
Dick has ___________ friends and he often plays with them.
I want to ___________ hello to Grandma on the phone, but she can’t _________me very well.
Please ___________ at 6:00 tomorrow morning.
____________ can help us learn ___________ about the world .