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be supposed to do

be supposed to do

的有关信息介绍如下:

be supposed to do

be supposed to do意为"应该、被期望、理应",用来表示根据规定或传统习惯人们不得不做的事。时态、人称和句式的变化用be来体现,to为不定式符号,后接动词原形。如:He is supposed to know the law.他应该懂得法律。