13. If you don’t clean the wound properly, it could become _____ and cause more problems. (A) projected (B) infected (C) irritated (D) precluded

15. Consumers are likely to engage in a _____ when they feel that the target company’s behavior was intolerable. (A) conspiracy (B) certification (C) boycott (D) purchasing 二、文法測驗【請在下列各題中選出最適當的答案】