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题目内容
（宿州学院大学英语2）
We are taught that a business letter should be written in a formal style rather than________.
A、
in a personal style
B、
with a personal style
C、
personal style
D、
a personal style
A、
in a personal style
B、
with a personal style
C、
personal style
D、
a personal style
参考答案
