Question

The sun is shining             . You'd better wear sunglasses while you are out.
A. brightly                B. lightly                    C. heavily

Answer 1

A

brightly明亮地，鲜明地；lightly轻轻地，轻松地；heavily沉重地，猛烈地。句意：太阳明亮地照耀着。当你在外面时，你最好带上太阳镜。结合语境可知选A。