—What is on the desk?—There ____ a book and two pens on it.
In fact , listening is just as_____ as speaking in language learning.
—Who get up ______ , your father or your mother?—My mother.
Milk is _____ our health.
—______do you have an art festival in your school?— Once a year.
Betty _____ eats junk food, so you see, she is pretty healthy.