11、My teacher _____my decision to study science. A. effected B. influenced C. affecting D. caused 为什么选A不选C?

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11、My teacher _____my decision to study science. A. effected B. influenced C. affecting D. caused 为什么选A不选C?
11、My teacher _____my decision to study science.
A. effected B. influenced C. affecting D. caused
为什么选A不选C?

11、My teacher _____my decision to study science. A. effected B. influenced C. affecting D. caused 为什么选A不选C?
affect是动词,那affecting 或者是动名词,或者是构成进行时的现在分词.如果是动名词的话,句子没有谓语,如果是现在分词的话,句子缺少be动词.故而affecting是错误的.
而effect是名词做动词用.比较常见的seat做动词seated应该不陌生吧.这里有异曲同工之妙.

C是现在分词,不能作句子成分,作谓语前面也要有个is 或was,构成现在进行时,或过去进行时