An important quality of a mystery shopper is that he should be good____ observation.
A、at
B、in
C、for
D、to
【正确答案】：A
【题目解析】：be good at sth /doing sth 擅长做某事，固定搭配
An important quality of a mystery shopper is that he should be g
- 2024-11-05 20:03:43
- 英语（高升专）(c0003)