Students are supposed hard at school.A. studyingB. studiedC. to studyD. study

发布时间：2020-08-22 08:14:52


Students are supposed      hard at school.
A. studying
B. studied
C. to study
D. study

网友回答

A. studying
B. studied
(答案→)C. to study
D. study
解析：考查短语be supposed to do sth 应该做某事，被期望做某事。句意：学生们应该在校努力学习。选C。
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