阶梯汉语．中级口语．4，Intermediate speaking．4 阶梯汉语．中级口语．1，Intermediate speaking．1 阶梯汉语．中级口语．2，Intermediate speaking．2 阶梯汉语．中级口语．3，Intermediate speaking．3 发展汉语．中级阅读．Ⅱ，Intermediate reading course．Ⅱ Intermediate speaking 走进中国．中级汉语口语．Intermediate spoken Chinese 发展汉语．中级写作．Ⅱ，Intermediate writing course．Ⅱ 博采英语．听说．4，Listening & speaking．4