There is _____ a pen, an eraser and some pencils in her pencil-box.
.Children often have very _____ imaginations.
Employees in a chemical factory should be given _____ training in safety.
Fat on human beings is _____ in different ways.
On the annual International Volunteers Day, the world _____ the work of millions of people who give their time to help others.
Today’s China is quite different from __________. .