— When _______ you _______ to learn to ride your bike? — I really can’t remember the time.
---What do you think of Jay Chou’s song ?---I think it’s ________best song in the world. Isn’t it _______ beautiful one?
---- Was Kelly late for the meeting? ----- Yes, the meeting _____ for 10 minutes when he _____ to the school.
---- Can you walk ______ faster? ---- Sorry, I can’t. I am too tired ______ any more.
---- Ken, it is wrong to _____ the weak. Don’t do that again. ---- Sorry, _______.
----What ________ the number of the students in your school? ---- About two thousand. A number of them _______ from America.