Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Salt was once (A) too (B) scare and (C) precious that it was used as money. (D)
A. once
B. too
C. and
D. as money
Đáp án B
too--> so ( so…that: quá….đến nỗi mà)