【单选题】Doctors say he has made ______ progress since he had the operation.
【单选题】Doctors say drinking water will help the pain ______ after the body has the right amounts of water and salt.
【单选题】He cannot say he has fully understood Chinese, ____ he has been to China for many times. [ ]
【单选题】He has nothing to say, ? [ ]
【判断题】The other doctors say he has a bad cold.
【单选题】Nadam Fair started at the beginning of the _____ century, it means "amusement" or "recreation”.