Mark the letter A, B, C, or D on your answer sheet to show the underlinedpart that needs correction in each of the following questions.
When he was a little boy, Mark Twain (A) would walk along the piers, (B) watch the river boats, fish and (C) swimming in the Mississippi, (D) much like his famous charater, Tom Sawyer
A. would walk
B. watch
C. swimming
D. much like
Đáp án C