No. 1 The famous author doesn't have an opening in his schedule until ------- month. (A) next (B) after (C) full (D) another No. 2 High school students gathered together to think more ------- about sustainable development. (A) broad (B) broaden (C) broadly (D) abroad No. 3 The shop clerk refused to ------- the customer's 100-dollar bill. (A) changing (B) changed (C) change (D) changes No. 4 Personal computers are now ------- in a range of sizes and colors. (A) edible (B) available (C) reachable (D) feasible No. 5 Ms. Washington's computer spread a virus ------- shut down the network the whole day. (A) when (B) that (C) so (D) for No. 6 Dada Motors's ------- for participation in the study of mobility in the aging society is still under discussion. (A) responsibility (B) accountability (C) disability (D) eligibility No. 7 Josh is worried that his wife often works to the ------- of exhaustion. (A) pointing (B) points (C) point (D) pointed No. 8 A group of ------- played an important role on the experiment. (A) professional (B) professionals (C) professionally (D) professor No. 9 Tony has been in a good mood since he got promoted ------- a senior manager. (A) in (B) as (C) to (D) with No. 10 The fog was so ------- that many drivers drove more slowly and carefully. (A) wide (B) thick (C) cold (D) deep