The students stop __________ when the teacher came in.
—Which man is your Maths teacher?—________.
—Excuse me, what day is it today?—________.
—How does Lily go to school?—She often ________ to school.
—Does your sister have a new watch?—________. Well, she has a new clock.
—Why does your teacher ________ play basketball?—Because he does not have much free time to play it.