—I’m sorry I always my book at home.--Please it to school next time.
— _______ classes do you have every weekday?—Seven classes.
—______ drive after drinking. It’s too dangerous(危险的).—OK. I won’t.
—What are you doing, Jack? —I am _______ my schoolbag, but I can’t find it.
—What is Lucy doing now?—She _____ a book.
—What class are they having?—Math. Their math teacher is _____ the classroom.