Chinese Reference Series For Foreigners : 1700 Groups Of Frequently Used Chinese Synonyms = Wai Guo Ren Xue Han Yu Gong Ju Shu : 1700 Dui Jin Yi Ci Yu Yong Fa Dui Bi -
Han Yu 800 Xu Ci Yong Fa Ci Dian (800 Frequently Used Chinese Function Words) -