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WhenIgottoschool,IrealizedthatI  

练习题1.99W

问题详情:

WhenIgottoschool,IrealizedthatI  

When I got to school,I realized that I   ____  left my backpack at home.

A.had  B.have had  C.had have

【回答】

A

知识点:动词时态

题型:选择题