单选题
I ______letters from my daughter since she left.
A、
[A] don't receive
B、
[B] haven't received
C、
[C] didn't receive
【正确答案】
B
【答案解析】
[解析] 本题考查时态。since表示自从那时一直持续的动作或状态，所以要用完成时态，答案为B。 [知识拓展]for后边加一个时段表示一段时间内一直持续的动作或状态，也经常用来引导完成时态。如：He has lived here for ten years．
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