问题描述：
People use flour to make different kinds of food.(改为同义句）
还有：You'd better not speak loudly in the classroom.(改为反意疑问句）
There is something new in this movie.(改为一般疑问句）
You can't chase the dog.(改为祈使句）
还有：You'd better not speak loudly in the classroom.(改为反意疑问句）
There is something new in this movie.(改为一般疑问句）
You can't chase the dog.(改为祈使句）
问题解答：
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