Salt was once (A) too (B) scare and (C) precious that it was used as money. (D)Đoạn văn57/500Salt was once (A) too (B) scare and (C) precious that it was used as money. (D)(A) too (B) scare and (C) preciousas money. (D)Giải thíchĐáp án Btoo--> so ( so…that: quá….đến nỗi mà)