问题
选择题
As soon as I shut the front door, I realized that I ______ my key in the house. [ ]
A. had left
B. had forgotten
C. had put
D. had placed
答案
答案：A
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As soon as I shut the front door, I realized that I ______ my key in the house. [ ]
A. had left
B. had forgotten
C. had put
D. had placed
答案：A