Tim’s house in NY is much smaller than ours, but it's three times ______ expensive．

As expected, the boy who shows great　　　in playing badminton has been admitted to the sport university for his talent. 

 I hope I will not be called on in class as I’m not yet ____ prepared.

While she was in Paris, she developed a _____ for fine art.

____ students are practicing ___ English with each other at the English corner.