( )你不知道有多少蜡笔,应说: A. How many crayons do you have? B. How many crayons do you see?
You can’t find_______ in such a small place.
China has the_______ population in the world.
I’m a new comer here, so I had a lot of problems_______ the bus stop.
How long has he_______the job?
—_______ have you been studying English? —Since 2002.