----The government claims to exercise control over housing prices. But the fact is_______ ideal.---- It’s _______ wonder that there are constant complaints on the Internet.

He didn’t understand the _______ question, so there was a ______ expression on his face.

— What do you think of investing in today’s stock market? — There are many risks, but also many         gains．

 The performance of this reasonably priced digital camera is _____ in quality to that of more expensive ones.

—How is your recent trip to Sichuan? —I’ve never had ______ one before.