– I rang you at about ten o’clock, but there was no reply. – Oh, that was probably ________ I was s...
2023-02-14 08:59:45 187次 陕西省西工大附中2010届高三第九次适应性训练 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
– I rang you at about
ten o’clock, but there was no reply.
– Oh, that was
probably ________ I was seeing the doctor.
A.
when B.
why C.
what D. that
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