根据提示填空(每空一词)
All of the students are ____ (suppose) to hand in their homework on time.

答案

supposed

知识点:实义动词用法  被动语态  

解题思路

句意为“所有学生都应该按时交作业”。be supposed to do sth表示“应当做某事”,故答案为supposed。

易错点

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