You play basketball so well. How often do you play it–_______.

It is easy to be grateful for the good things, ______ a life of rich fulfillment comes to those who are also thankful for the setbacks

I felt most angry about the way ________ I was treated when I was shopping.

下列各句中，加线的成语使用恰当的一句是(　　)

sad to me that they, so poor themselves, ________ bring me food.