问题
单项选择题
A principle of (manager) is to ensure that every (action) or (decision) achieves a carefully (planned) goal.
A．manager
B．action
C．decision
D．planned
答案
参考答案：A
解析：将manager改为单数可数名词a manager，前面加上不定冠词，表示“一类人或一类事物”。