题目内容
( ) 2. All the students are required our school rules when they are at school.
A. obey B. to obey
C. obeyed D. obeying
2. B be required to do sth.意为"被要求做某事"。
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题目内容
( ) 2. All the students are required our school rules when they are at school.
A. obey B. to obey
C. obeyed D. obeying
2. B be required to do sth.意为"被要求做某事"。