Nowadays, cellphones have features such as games ,music and calendars and more new functions___

How much do you know about the 3D film technology–A little. Not until ____the hot movie Avatar____some about it.

___________ does Mary go to work —She rides her bike.

Is David your uncle—Yes, ______ is.

What do you think of this kind of TV set, which _____ in Shanghai?— Well, I don’t care such things