__surprised me most was__Mary spoke Chinese just like a native speaker.
______is known to us, he is the top student of our class.
This is a book, which I dare say, is unequaled ______translation practice is concerned.
By the time he was dying, he made a testament that he would______his kidney(肾) to those who were in need of it.
University is ______ most worthwhile time of discovery and learning, and it is also ______very enjoyable and valuable experience for every one of us.
— How do you find your trip to the Great Wall? — We had an awful time! ______, George got sick the day we arrived.