OPIc ⺻
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ó Ͻô е ؼ Ǵ ֽϴ. 迡 ϴ ڰ ϱ Ͽϴ. ʺе ڽŰ 츱 ֵ ȸ 谡̵ ҽϴ.
Chapter 1 Words & phrases
ȿ ϴ ܾ ַ å ҽϴ. Ư 迡 Ǵ мϿ ֽ 迡 ֿ ַ Ƽ ð ȿ Ͻ ֵ Ͽϴ.
Chapter 2 Pattern
50 ߿ ϵ ʺе Ѵ ֵ å Ͽϴ. ϸ 5 µ ִ ̵ Ͽϴ. ֵ ϱ ߰ Ͽϴ.
Chapter 3 OPIc questions
, , ÷, ȭϱ Ǿ ֽϴ. տ ִ ȰϿ OPIc 븱 ֵ Ͽϴ. OPIc κ ֱ ϱ ִ ̱ ؼ پ å ҽϴ.