The painting was         what it used to be because it was once watered by rain.

—How was your recent trip to Sichuan?—I've never had ________ one before.

 Polar explorers have to be extremely _____ to bear the climate and other hardships. 

 “I don’t understand what you are saying,” she said, with a _____ expression on her face.

 Everybody said it was a perfect marriage, no one had ever know       couple.