No. 1 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. 2 The shop clerk refused to ------- the customer's 100-dollar bill. (A) changing (B) changed (C) change (D) changes No. 3 Gregory will have to work on weekends in order ------- the deadline. (A) to make (B) make (C) made (D) making No. 4 The new staff who joined our team is very friendly and down-to- -------. (A) earth (B) floor (C) ground (D) town No. 5 Membership to the networking club is open to anyone ------- he or she studied economics or not. (A) whether (B) if (C) either (D) since No. 6 The manager was angry because most of the items which arrived yesterday ------- damaged. (A) is (B) has been (C) was (D) were No. 7 The human resources director is ------- temp workers for the three-day sales event at ABC Department. (A) repeating (B) reclining (C) recruiting (D) recreating No. 8 If you can't access the online shop, please fax in your order ------- business hours only. (A) midst (B) across (C) except (D) during No. 9 XYZ Automobile's new engine design ----- CO2 by 30 percent. (A) costs (B) cuts (C) slams (D) declines No. 10 ------- reviewing all the applications, the personnel manager chose a couple of candidates to come in for interviews. (A) As a result (B) First (C) During (D) After