_____sufficient historical and legal grounds, China's position on the South China Sea has been consistent and clear.
Bob would have helped us yesterday, but he ____________.
The girl arranged to have piano lessons at the training center with her sister ________ she would stay for an hour.
I have told you the truth. ________ I keep repeating it?
Because of the Mid-autumn Day happening to come along, we have just enjoyed a longer National Day vacation than ever before, but it is estimated that it will be 38 years ___________ we can experience such a coincidence again.
The discovery of gold in Australia led thousands to believe that a fortune __________.