178. There are four basic _____ of blood in the human body. What do you belong to, A, B, AB or O?
After the amateur singer competed in the program The Voice of China, his singing career .
Without the development of the Internet, Taobao and Tmall______$ 5.7 billion in sales on 11 November, 2013.
He set out for a remote village for ____ he hoped would be a peaceful retirement.
____ to teaching, as we know, contributes to his popularity with his students.
It does not matter that you are a slow walker _____ you never walk backwards.