---- Stop _________, kids. Let's begin our class.---- OK, Miss Li.
All of the spaghetti across the country had been sold ________ .
Be sure to keep your bedroom ________ after getting up.
They arrived _______ London ________ a cold morning.
________, he got an “A” in the English exam.
—What happened ________ Cindy yesterday? —She was hit by a car.