Mark the letter A, B, C, or D to show the underlined part that needs correction in each of the following sentences.
There are (A) many different ways of comparing (B) the economy of one nation with those (C) of another. (D)
A. There are
B. of comparing
C. those
D. another
Đáp án : C
"those" -> "that" để tương đương với cụm "the economy of one nation" ở trước đó