I don’t feel the concepts, ideas or activities applicable in my class.我感觉这些概念、方法或者活动都无法应用到我的课堂中
The ideas and activities are interesting, but only a few are applicable in my class.我认为这些方法和活动很有趣，但是只有很少数能应用到我的课堂中去。
I feel the concepts, ideas and activities are useful and I might employ some of them in my class.我觉得这些概念、想法和活动是有用的，我可能会在我的课堂上使用其中的一些。
I feel the concepts, ideas and activities are inspiring and practical and I will definitely employ a lot of them in my class.我觉得这些概念、想法和活动很有启发性，很实用，我肯定会在我的课堂上多多应用。