---How long did you spend going through the jungle during the exciting vacation?---Going through the jungle______ us about three weeks.
—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.
A car _____ the tree last night.
— Is there a No.2 bus stop near here?— Yes, there is. _______________ at the end of the road, and you will find it.