The Great Wall is familiar ______ the people all over the world.[ ]

Nanyang has changed a lot in the past five years. —Yes. You can see lots of new buildings ,flowers and trees on ___side of the street.

I began watching here an hour ago, but now nothing _______ yet.

Many world-famous universities names are familiar ____ Chinese students. [ ]

I’m too busy. Could you do_______ to help me?—Of course. I can do_______ for you if you want me to.