The Hunchback and Notre Dame caught fire on （四月）15th， and the world felt very sad about the loss of art treasures．
You'll forget the dancing skills easily （除非） you practice them often．
Could you please show me your （护照）， young men？
We can see clearly that Mongolia （位于） between China and Russia on the map．
More and more people have realized the importance of spreading our （传统的）culture．
At the meeting the boss （赞扬） John for the progress he made．