No. 1 Libra Technologies Inc. is now setting its sights ------- Indian market, which continues to grow by 5% each year. (A) at (B) for (C) with (D) on No. 2 The secretary overheard a manager's conversation ------- CEO. (A) because (B) with (C) towards (D) at No. 3 Mr. Downy, a famous billionaire, ------- his secret of becoming rich in his recent book. (A) relaxed (B) prevailed (C) unveiled (D) released No. 4 The popular new gaming console, which was released in June, has been ------- out for more than a month. (A) sell (B) selling (C) to sell (D) sold No. 5 Popeye Computers filed a lawsuit against Huan Electronics Inc. for changing the price of product suddenly after ------- its contract. (A) fulfilled (B) fulfill (C) fulfills (D) fulfilling No. 6 The next flight to Houston has been cancelled ------- mechanical difficulties with the aircraft. (A) concerning (B) due to (C) because (D) in so much that No. 7 One of the extraordinary ------- of this robot is its running speed as well as its automatic maintenance function using AI. (A) feature (B) featuring (C) featured (D) features No. 8 Mr. Peterson's performance was considered to be a major ------- even though it received little media coverage. (A) success (B) succeed (C) successful (D) succesfully 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 Ms. Washington's computer spread a virus ------- shut down the network the whole day. (A) when (B) that (C) so (D) for