练习材料: Lesson94 Future champions Experiments have proved that children can be instructed...
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练习材料: Lesson94 Future champions Experiments have proved that children can be instructed...
练习材料: Lesson80 The Crystal Palace Perhaps the most extraordinary building of the ninete...
Lesson 78 The last one First listen and then answer the question For how long did the w...
Lesson 77 A successful operation First listen and then answer the question Did the doct...
练习材料: Lesson73 The record-holder 录音时长:1m26s(1m24s) 任务配置:L0+L1+L4 知识笔记: 音标:/ʌ/ 1)嘴巴张开一半左...