7、___wecouldn’taffordtoignore.4.Weshouldn’tspendourmoneytestingsomanypeople,mostof________arehealthy.答案:which where as whom具体分析方法: (一)纯空格题1、缺主语或宾语,一定是填代词或名词(多考代词)。[例1]IcansendamessagetoKenyawheneverIwantto,and__38_getstherealmostinasecond.and连接前后两个句子,and后面的句子缺主语,应填名词或代词