WALDEN is written by__________. A: Emerson B: Thoreau C: Poe D: Hawthorne

View your job as a duty. View your work as your mission. "view" can be replaced by__________.

Complaints can be made by__________. A: telephone call B: letter C: email D: other method online

This opening speech is made by__________. A: the chairman of the conference B: the guest speaker C: the Sales Director D: the General Manager