—He has two brothers and three sisters. Do you know of them? —No, I know of them. A. som

发布时间：2020-08-14 23:04:30

—He has two brothers and three sisters. Do you know      of them?     —No, I know      of them. A. some; noneB. any; some C. any; noneD. either; some

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指五者中的“任何一个”用any，“一个也不”用none。
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