over and over again, but he still couldn’t understand.A. Having explainedB. Having been e
答案:2 悬赏:10 手机版
解决时间 2021-12-19 07:10
- 提问者网友：爱了却不能说
- 2021-12-18 17:46
over and over again, but he still couldn’t understand.
A. Having explained
B. Having been explained
C. Explaining
D. It had been explained
最佳答案
- 五星知识达人网友：白昼之月
- 2021-12-18 18:34
A. Having explainedB. Having been explainedC. Explaining(答案→)D. It had been explained解析：本题考查时态。本题根据but he still couldn’t understand为过去时，故从句用过去完成时。句意：它解释了一遍又一遍，但他仍无法理解。
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- 1楼网友：零点过十分
- 2021-12-18 19:32
我好好复习下
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