【题目】We are taught that a business letter should be written in a formal style _____ in a personal one.
A. rather than B. other than
C. better than D. less than
在线课程【答案】A
【解析】rather than代替，而不是；other than除…之外；better than比…好；less than少于…；句意：我们被教育，商业信件应该使用正式的形式来写，而不是使用私人信件的形式。根据句意说明本句应该使用rather than。故A正确。