WRITE THE CORRECT FORM OF THE WORDS IN PARENTHESES 1. We are ____________ that you are interested in protecting the environment. (delight) 2.One ton of recycled paper saves ____________ eight trees. (approximate) 3.This system is ____________ of time. (waste) 4.Do ____________ as I tell you. (exact) 5.Ms. Lan and Mr. Lâm work in the library. They are ____________. (library)