3.When he tried to make a(n)_____, he found that the hotel that he wanted was completely filled.
—Well,the chief is not ready to make a decision yet.—So,________,we have to wait,right?
The art show was________being a failure;it was a great success.
One of the most important problems they had to consider was________of public health.
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.