Lesson 6-Groundless beliefs w. Q1 9. Although he has become rich, he is still very of his money. A economic B. thrifty C fruga D。 careful C C 10. As the manager was away on a business trip, I was asked to the weekly staff meeting A. preside B introduce c chair D。 dominate W BTE To be continued on the next page.Lesson 6—Groundless Beliefs W B T L E C C To be continued on the next page. 9. Although he has become rich, he is still very ___ of his money. A. economic B. thrifty C. frugal D. careful 10. As the manager was away on a business trip, I was asked to ___ the weekly staff meeting. A. preside B. introduce C. chair D. dominate V. Quiz