题目内容

George once told me that he would visit our house，but，for various reasons，he________so far.
A．didn'tB．hasn't
C．hadn'tD．wouldn't
B
B　考查时态。句意：乔治曾告诉我他将拜访我，但由于各种原因，他到现在还没有来过。so far到目前为止，是现在完成时态的标志词。
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