一Why do you appreciate her help so greatly?一Because her donation makes it possible for me the dog Lucky.
It is______ nice of you to say so.
Do you know the name of the boy _______ father is a doctor?
It was snowing hard_______we had to stay at home and watch TV.
________ is waiting for you over there. He wants to say thanks to you.
Heilongjiang is in the_______of China.