The temperature can drop ________zero when winter comes.
I don’t like living in the cities, because the cost of living is _______.
—_____ do you go to the zoo with your brother?—Three times a month.
My brother usually _____ his classroom after school. But now he _____ basketball.
My home is_______ the school, so I often walk home.
Mrs. White _____ her wallet now, but she can’t ______ it.