【题目】It is you as well as your wife that ______ your son's bad performance at school.
A. is to be blamed for B. are to be blamed for
C. are to blame for D. is to blame for
在线课程【答案】C
【解析】
试题分析：C；考查动词blame用法。题干中是强调句型，主语是you，所以谓语要用复数；be to blame是固定句式，用主动形式表示被动意义。句意：你儿子在学校坏行为归咎于你和你的妻子。该根据句意，故选C