题目内容
单词拼写,根据下列句子所给的汉语注释及句意,写出句子空缺处各单词的正确形式。
I've bought many educational CD-ROMs, but ________(没有一个)of them is any good.
答案:none
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题目内容
单词拼写,根据下列句子所给的汉语注释及句意,写出句子空缺处各单词的正确形式。
I've bought many educational CD-ROMs, but ________(没有一个)of them is any good.