that we should look after the three dogs three times.my mother left home. A.Ment
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_______that we should look after the three dogs three times,my mother left home.
A.Mentioning B.Having been mentioned
C.Having mentioned D.Mentioned
试题答案
C
mention这个动作的逻辑主语是mother,首先排除B、D两项;mention这个动作发生在leave之前,故应用having done的形式。