题目内容
句型转换
People have to work as hard as they worked before.
（改为否定句）People _______ have to work _______ hard _______ they worked before.
答案：don't;as$so;as
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题目内容
句型转换
People have to work as hard as they worked before.
（改为否定句）People _______ have to work _______ hard _______ they worked before.