你应该在晚会之前把一切都准备好（suppose）英语翻译.
问题描述：
你应该在晚会之前把一切都准备好（suppose）英语翻译.
答
You are supposed to get everything ready before the party.
你应该在晚会之前把一切都准备好（suppose）英语翻译.
You are supposed to get everything ready before the party.