My father was reading a book ________ I was doing my homework.
My teacher was so angry at _______________ he walked out of the office without a word.
You could hardly imagine ______________ amazing the Great Wall was _______________ you saw it with your own eyes.
The number of the classes in our school is _______ than _______ of any other school in Wuxi.
It is well known _______ all people that Beijing is known _______ the capital of China.
It was her ___________ performance, but the memory was ____________.