The hero said he didn’t think twice ____ diving into the freezing river to rescue that child.
Many college students now take part-time jobs in their spare time, hoping to be ______ of their parents.
Before making any changes to your travel plan, _______ your family to find out which activities are most important to them.
What impact is it ________ the worldwide economic crisis of 2009 has on the development of China.
“Darwin teaches us that life _________ continually ________ to keeping up with a changing Earth.” The expert explained.
October 1 of 2009 is a special day, _________, I guess, which will be remembered by the Chinese for a long time.