---Have you cleaned the classroom ________?
---Yes , I have done it ________
---________ does your mother do?
---She is a doctor.
--________ you play golf?
--No. But I play table tennis.
---________ does Mr Brown visit St. George College?
---________ Once a week.
---________ are the boys?
---They are in the room.
---Do you like the red car ________ is made in Tianjin?
---Sure, it looks terrific.
---Excuse me, ________ to the nearest bookshop, please?
---Go straight and take the second turning on the left.
---There are 60 students in my class and 44 of them use weibo very often.
---44 That means about _________ of your classmates are weibo users, right?
---_________ did Prince William's wedding(婚礼)last?
---It lasted for about 5 hours.