you must pick the flowers改为否定句
问题描述：
you must pick the flowers改为否定句
答
这个满意答案貌似是错误的吧。。。算了。。。具体的语法我也说不清楚。。。
答
You don't have to pick the flowers更符合表述习惯
答
You mustn't pick the flowers.
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答
You shouldn't pick the flowers你不该摘花。