On the celebration of the university’s 100th birthday, he said, “I have never experienced __________ time here as a graduate of Tsinghua University.”
First editions of certain popular books cannot be obtained_____.
The State Council will lay down new rules that aim to make management compatible with internationally accepted _____.
______ about wild plants that they decided to make a trip to Madagascar for further research.
The little boy still needs the ______ 20 dollars to do with some things ______.
I don’t like the way _____ you talk to your mother.