No. 1 Low interest rates ------- allowed more young couples to buy homes. (A) have (B) has (C) are (D) is No. 2 A customer at Brooks Books is reminded to keep his or her receipt ------- a proof of purchase. (A) off (B) except (C) as (D) on 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 Because the meeting with the client was rescheduled, Mike had to make the document in a ------- time. (A) limit (B) limiting (C) limits (D) limited No. 5 Mr. White ------- head down to the client's office this afternoon to have a meeting. (A) will (B) is (C) have (D) has No. 6 A special team was sent to ------- a pitch for the new artificial-intelligence robot. (A) own (B) make (C) throw (D) touch No. 7 This software is able to detect a virus in the computer and quickly ------- it. (A) sedate (B) delete (C) elate (D) notate No. 8 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. 9 If you have any questions ------- the midterm exam, please ask your teaching assistant. (A) about (B) under (C) around (D) behind No. 10 While the sales team's ------- has improved, overall profit of the company has been decreased for the past two years. (A) motivate (B) motivates (C) motivational (D) motivation