20. When at a crossroad in life, one must not be indecisive, but decide to go ________ one way or another. (A) instead (B) between (C) either (D) whether

1. Which of the following is the main purpose of this announcement? (A) To tell campus personnel of the new library services. (B) To announce the new movies on campus this summer. (C) To notify university people of important schedule changes. (D) To remind students to validate their identification card.