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30．Some children want to challenge themselves by learning a language different from____spoken by their parents at home．

A．what    B．that    C．which  D．one　 　　　

Some children want to challenge themselves by learning a language different from_______

spoken by their parents at home.

A what               B that                C which            D one

Some children want to challenge themselves by learning a language different from    spoken by their parents at home．

A．what            B．that         C．which           D．one

30．Some children want to challenge themselves by learning a language different from____spoken by their parents at home．