问题
单项选择题
A business letter should be written in a formal style （）a personal one.
A. less than
B. better than
C. other than
D. rather than
答案
参考答案：D
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A business letter should be written in a formal style （）a personal one.
A. less than
B. better than
C. other than
D. rather than
参考答案：D