--Which star is _____from the earth, the moon, the sun or the Mars? --The moon, of course.
I want two kilos of eggs. Here ______ 20 yuan.
______on the Internet, you only need a computer and a mouse.
There is a big supermarket near the post office. We can buy ______ everything in it.
---______ is the beef? ----Sixty yuan a kilo. ______ would you like?
Shopping in supermarkets usually ______a lot of time.