一、从句1.考查定语从句只能用that引导的情况和主谓一致的问题例1(2014年河南卷)“Underground”is the only word in the English language begins and ends with the letters“und”.A.what B.that C.who D.whom解析:分析句子结构可知,“begins and ends with the letters‘und’”是定语从句,先行词是the only word而不是in the English language,先行词中有修饰词only时, First, the clause 1. Test attributive clause can only be used that that led to the situation and the main subject of the same problem Example 1 (2014 Henan volume) “Underground ” is the only word in the English language begins and ends with the letters und. “A.what B.that C.who D.whom Analysis: Analysis of the sentence structure shows that ” begins and ends with the letters "is an attributive clause, an antecedent is the only word instead of in the English language, antecedent Modifiers only,