题目内容
根据句意从括号中选择正确的单词并填写在空白处。
Not so many years ago, you ________(hard, hardly)ever saw air-conditioners．
答案：hardly
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题目内容
根据句意从括号中选择正确的单词并填写在空白处。
Not so many years ago, you ________(hard, hardly)ever saw air-conditioners．