My mother is the type of woman who suspects that a late night call or a surprise invitation is a ________ of bad news.

 The selfless village doctor treated whoever came to his family without any_   _.

Having lived in China for 8 years, Helen has a good ______ of both English and Chinese．

—Why don’t you go to medical college and be a doctor?— Oh. It calls for a great deal of _____with long training, which I am afraid I don’t have. 

He had no special ______ and was treated just like every other prisoner.