______at in this way, the present situation about birds flue doesn’t seem so disappointing.
.Was it ______ Expo 2010 that made Shanghai the focus of the world then?
—What was his performance like? —Oh, it couldn’t have been___.
Which of the following is TRUE according to the passage?
All the doctors in the hospital insisted that he_____ badly wounded and that he______ at once.
Over the past decades, mountain ice______ in the Himalayas as a result of global warming.