1It 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
解析：题干中用了强调结构，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。
答案：C
2—Johnson，come and look at the sea！It's beautiful，isn't it?
—Absolutely！If only I ______here by the sea.
A．had lived B．lived
C．live D．will live
解析：if only“要是……就好了；但愿”，用以表示对现在、未来的愿望，或者与过去事实相反的愿望。根据题意可知，这是现在的愿望，所以B项正确。
答案：B
