For many years, ____ animals for carrying food and other supplies from one area to another has been a means of living in Xinjiang Autonomous Region .
It is generally considered unwise to give a childhe or she wants.
He insisted that hesuffer from heart trouble, but I didn’t think so.
--- Shall I open the window to let some fresh air in? --- No, .
One day I _____ a newspaper article about the retirement of an English professor at a nearby state college.
E-shopping, when properly _____ ,can save us a lot of time and energy.