11. The directors that participated in the meeting were required to contribute _____suggestions to their colleagues.
A. theirs B. their C. them D. themselves
12. The board of directors _____has had different views on the current economy.
A. strong B. stronger C. strongest D. strongly
13. Not only the manager but you _____ required to help him server the customer early next week.
A. are B.is C.be D. will
14. The committee will continue to look into the date _____to determine if the marketing survey can be a better guide for the market .
A. informatively B. strictly C. narrowly D. closely
15. It was a request from the speaker that the audience _____quiet.
A. would be B. was C. been D.be
13.【答案】A。解析：not only...but also...就近原则，谓语与you一致.