3.________,Mother had to
stay at home and looked after him.
A.Being
ill B.He was ill
C.Tom
being ill D.To be ill
命题意图:此题考查独立主格结构作原因状语。此题属五星级题。
知识依托:名词或代词加现在分词构成的独立主格结构。
错解分析:干扰性最强的选项为A项,A项为现在分词短语作状语,其逻辑主语应是句子的主语Mother,那和“Mother had to…looked after him”意思不一致了。
解题方法与技巧:掌握分词作状语与独立主格结构作状语的区别。
答案:C
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