Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Câu 1: According to the theory of natural selection, the man who was able to use the hands and feet most freely to walk and grasp was the one who survived and evolved.
A. the hands and feet
B. freely
C. to walk and grasp
D. who
Câu 2: Either Mr. Anderson or Ms. Wiggins are going to teach our class today as our teacher has been staying in hospital.
A. Either
B. are
C. as
D. has been staying
Câu 3: There is an unresolved controversy as to whom is the real author of the Elizabethan plays commonly credited to William Shakespeare.
A. There is
B. whom
C. is
D. commonly
A.
B.
C.
D.