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F3 Ch7 Revision of Parallel Lines_c
F3 Ch7 Revision of Parallel Lines_e
F.1 English
翹舌音zh、ch、sh、r跟平舌音z、c、s的區別。
知識萬花筒(黃了、吹了、泡湯了)
YU CHUN KEUNG MEMORIAL COLLEGE