Directions: Complete the given paragraph by selecting the most appropriate answer from the given options and fill blank (11).

Sumatran is a star of the lecture hall and the conference seminar. His _______ (8) images excite the imagination. Businesses are ________ (9) tops, he says; let the momentum ________ (10) and the top will fall. For his _______ (11) and influence among the leaders of business, The Economist magazine recently named him as one of the Euro gurus.