Jack is funny. He often tells jokes to make us _____.

Li Jun will have a math test tomorrow. As he isn’t good at math, he is ______.

Do you know Henry didn’t win that speech contest？ –_________? I thought for sure he would. He worked so hard on it.

A very beautiful scene spreads in front of the mountain, at the foot of which ______.

Every year a great number of foreign tourists pay a visit to _____ we Chinese call Heaven Lake.