Boys, don’t touch the machine, or you may hurt _________.
My sister ______ go to bed _______ my mother came back last night.
Mary’s grandpa is always ______ in the mountain village. He tells her he feels very______. So she’s going to visit him next week.
They argued _________ each other ________ the math problem yesterday.
__________ important for children __________ on themselves.
The book is for us to read.