He has no idea _________ she left without a word.A．ifB．whyC．howD．that
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He has no idea _________ she left without a word. |
答案
| B |
解析
| 考查同位语从句。句意“他不知道她为什么一句话也不说就离开了。”if“是否”；why“为什么”；how“怎样”；that无意义。故选B。 |
举一反三
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