—The two people speak different languages and can not communicate with each other well.—Oh，I see. That’s ________ misunderstanding occurs.

Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped.

 The reason________ Peng Liyuan is widely discussed recently is ________ she is seen as the most beautiful first lady in China.

The present question is ____ many students consider it impossible ____ is really possible if effort is made.

You are saying that he is dishonest, and this is _____ I disagree.