You're supposed to arrive 【on Monday】对画线部分提问（）（）you supposed to（）?
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You're supposed to arrive 【on Monday】对画线部分提问（）（）you supposed to（）?
答案解析：句子中文意思：你应该在星期一达到,对 时间状语,星期一提问,就是说,你应该什么时候到达了
因该使用特殊疑问副词when
When are you supposed to arrive
When will you be supposed to arrive
======以下答案可供参考======
供参考答案1:
when do you supposed to arrive
供参考答案2:
When are you supposed to arrive
?