I had been working a couple of months_I had a letter from Geiwen.Awhen Buntil Cthat Dwhile
题目
I had been working a couple of months_I had a letter from Geiwen.Awhen Buntil Cthat Dwhile
希望可以对各个选项进行分析,
答案
A.when
当我收到Geiwen的信,我已经工作了两个月了!
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