Section ADirections: There are 10 incomplete statements here. You are required to complete each statement by choosing the appropriate answer from the 4 choices marked A, B,C and D. You should write the corresponding letter on the Answer Sheet. 1. Why was she so _ about other peoples attitude to her work?A. careful B. concerned C. afraid D. feared2. After a long _ for the murder weapon, the police found a knife.A. search B. look C. study D. exam