No. 1 The fight between the two companies started when one started to buy ------- the firm's stock. (A) under (B) through (C) up (D) down No. 2 If you have a question about course registration, please feel ------- to contact the administration office. (A) happy (B) good (C) fine (D) free No. 3 Kate has the most ------- software applications installed in her mobile. (A) portable (B) parallel (C) popular (D) probable No. 4 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. 5 Our employees seem more pleased with their schedules now than when their working hours changed ------- week to week. (A) by (B) from (C) on (D) till No. 6 The shop clerk refused to ------- the customer's 100-dollar bill. (A) changing (B) changed (C) change (D) changes No. 7 Tom made a big mistake this morning, so the boss gave him a warning not to do it -------. (A) again (B) over (C) once (D) more No. 8 Everyone is advised to double-check orders to ensure that merchandises will be sent ------- correct addresses. (A) until (B) upon (C) to (D) among No. 9 The members worked ------- the holiday period because they wanted to finish the project with no delay. (A) by (B) out (C) at (D) through No. 10 The hotel owner is thinking of ------- the business because of his age. (A) fold (B) folds (C) folding (D) folded