【题目】It Is ________ great comfort that many drivers have realized drunk driving is ________ invitation to accidents.
A. a; / B. a; an C. /;the D. the; an
在线课程【答案】B
【解析】
试题分析：考查冠词。句意：许多驾驶员意识到酒后驾车会导致交通事故，这很令人欣慰。Invitation以元音音素开头，用an，a great comfort很令人欣慰的一件事，故选B项。