语法与词汇19.Some bureaucratic officials tend to use too many politically correct but meaningless phrases or expressions in their speeches. When it comes to practical problems, they usually______by using vague or elusive expressions.
【正确答案】
C
【答案解析】本题考查习语。beat about／around the bush为习语，意为“拐弯抹角，含糊其辞”，与by using vague or elusive expressions(用含糊或难懂的表达)的语义相符，故答案为[C]项。beat the bushes意为“竭力寻找，彻底搜寻”。