— Are you satisfied with what she has done? — Not at all. It couldn’t be _______.

—How is your recent trip to Sichuan?—I've never had ________one before.(2011·四川)

For fear of unemployment, almost one million people sat （参加考试）China civil service examination in order to get  ________jobs.

----Be careful not to drop the Ming Dynasty vase.   ----Yes, we can’t be _____.

While there are quite a few differences in the education system, in many countries education is ____.