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And my third class is my biggest challenge, 1.5 hours teach Infant.
而我第三次试讲是我最大的挑战，1.5小时幼儿讲课。
youdao
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He has been my challenge year after year, class after class.
年复一年，教了一个班又教一个班，他一直激励着我尽心负责。
youdao
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He has been my challenge year after year, class after class.
年复一年，教了一个班又教一个班，他一直激励着我尽心负责。
youdao