If his parents are convinced ____the fact that his son always focuses his mind his study.
—What about the student in your class, Mr. Wang? —The doctor said that ________ sleep caused him poor memory and poor concentration.
____________ many times, but he still couldn’t understand it.
--- Aren’t you the chief editor? --- No, and I ______________.
The news spread all over the world _______that Kim Jong Il, top leader of the Democratic People's Republic of Korea (DPRK), passed away last Saturday at the age of 69.
As is reported, America has again _________ China to raise yuan value recently.