--I didn't tell my parents that I would leave home. --You ________ when you left home since you are living with them.
. He wanted to make sure __________.
---- ________ ---- Thank you. I certainly will.
It is the prevention of disease ________ its successful treatments that has led to the rapid increase of the world’s population.
Nobody would like _________ because of their appearance.
Why is________ you are so late for the class?