The old lady has never ________ the house since she moved in.
The old lady has never ________ the house since she moved in.
A、been away
B、left
C、lived
D、stayed at
【正确答案】：B
【题目解析】：如果是现在完成时肯定句，那么就不能用left 但是在否定句时就可以，因为对短暂性动词进行否定就变成延续性状态。 We haven't begun our new journey since last year. 
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