题目内容
I have been seeking what I want all these years,but________I have achieved nothing.
A.until then B.up to now
C.from now on D.right now
这些年来我一直在追求我想要的东西,但是至今一无所获。根据谓语动词的时态是现在完成时可判断选up to now直到现在。until then直到那时;from now on从现在起;right now现在。
答案: B
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