No. 1 The manufacturer takes back any ------- items that are found in the shipment. (A) less (B) worse (C) missing (D) faulty No. 2 The shop decided to start using SNS to deal with increased competition ------- customers. (A) on (B) with (C) for (D) against No. 3 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. 4 Please return this file to me at least ------- the day after tomorrow. (A) until (B) for (C) by (D) as No. 5 Mr. Omaha evaluates a company over the long ------- before he decides to buy its stock. (A) curve (B) term (C) hour (D) profit No. 6 My boss told me to take the rest of the day ------- because I was feeling sick. (A) off (B) over (C) on (D) ahead No. 7 The bankruptcy of a big life insurance company caused ------- in the stock market. (A) uncertainty (B) uncertain (C) certainty (D) certain No. 8 Mr. Kent had some regrets about ------- his job to start his own business. (A) quitting (B) quit (C) quits (D) to quit No. 9 ------- the meeting finished pretty late, Nancy was waiting for me to ask me some questions. (A) Nevertheless (B) Still (C) However (D) Although No. 10 The key ------- weight loss success for Rob was to eat more fruits and vegetables and drink green tea. (A) as (B) in (C) for (D) to