Question

______ leaves the room last ought to make sure that the windows are closed and the door locked....

______ leaves the room last ought to make sure that the windows are closed and the door locked. A．Whoever B．Who C．Who will D．Those who

Answer 1

A

试题分析：通过分析句子结构，可知这个句子中含有一个主语从句，且引导词在从句中作主语，表示任何一个人，故选A。 点评：首先要分析清楚句子结构，根据从句在整个句子中所作的成分来判断是什么从句，然后根据相应的语法规则答题。在名词性从句中，看引导词在从句中有没有担当成分，有没有具体含义，来确定引导词。