No. 1 The flight was redirected to Portland ------- a storm that shut down San Francisco's airport. (A) since (B) for (C) due to (D) because No. 2 There is great business potential in Internet start-ups these days, so ------- attracted many talented young people. (A) it could (B) they can (C) they have (D) it will No. 3 The CEO was awarded a prize for his ------- to the local community. (A) contributed (B) contribute (C) contributions (D) contributes No. 4 Please let Ms. Potts know when it is ------- for you to meet with her. (A) conventional (B) convertible (C) convenient (D) converged No. 5 Few economic experts ------- that the value of the company was going to increase by 180% over the course of the year. (A) predicted (B) profited (C) gave (D) told No. 6 This operation may take some time ------- the processing time of the system. (A) depends (B) depending (C) depend (D) depended No. 7 The company ------- the announcement of their new product due to a minor trouble. (A) postpone (B) postponed (C) postponing (D) postpones No. 8 The fog was so ------- that many drivers drove more slowly and carefully. (A) wide (B) thick (C) cold (D) deep No. 9 It was shocking news that Silverstone Corporation was fined for committing ------- and substantial violations of federal law. (A) serious (B) seriousness (C) seriously (D) serious-minded No. 10 Mr. White ------- head down to the client's office this afternoon to have a meeting. (A) will (B) is (C) have (D) has