This journey _______ about 2 hours .
--Is this a ring?--__________.
—It’s sunny today. How about going riding?— ________
—I’m poor at Maths. So I’m sad all day.—________. If you work hard, you will learn it well.
Mr Wu is standing _________ the classroom. There is a teacher’s desk_________ him.
—__________ he________ late for school this morning?—Yes, I think so.