Although he had taken a lot of medicine, his health _____poor.
.--What did you think of the performance given by the famous dancer?---Not so good. In fact, it ________ to be a great disappointment.
.It is written clearly in the requirements that all passengers______check onto board thirty minutes before the plane takes off.
.The size of the audience, ______we had expected, was well over one thousand.
.______the zoologists tried to prove was that the photo of the South China Tiger had been staged or technologically dealt with.
.It is______the customers’ needs that has made chain stores so popular in big cities in China.