The Internet is really            to us. We can download a lot of things from it.

—How do you like our new teacher? — Very ______. He often says something new to make us laugh.

 ----Fred is studying Chinese in one evening school.---Is that true? He has               told me about it.

My cousin is _____________ sometimes. It’s hard for him to change his mind even though his idea is not right. 

The show Dad, Where Are We Going is really _______ , and it is a hit program on Hunan TV.