Read the text and fill in the gaps transforming the capitalized words.

E-readers are in many ways better than printed books. First, they are (ENVIRONMENT) (FRIEND). It takes about one tree to make 1000 novels of 300 pages. E-readers use no trees, so they are of great (IMPORTANT)
in the environment (PRESERVE) . More than that, e-readers provide (HELP) reading tips and tools that printed books do not. An e-reader normally allows its (USE) to choose letter size, line space and other options. Perhaps the most (HELP)of all is the option to get on-the-spot dictionary (DEFINE) .