【B1】 [br] 【B10】 [audioFiles]audio_eusm_j01_091(20099)[/audioFiles]It is importan

游客2023-09-15 31

问题【B1】 [br] 【B10】

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答案 It is important that the teacher should be in possession of the necessary information

解析 It is important for the teacher to be in possession of the necessary information

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