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.
Câu 1: Plastic bags are harmful to the environment so they should replace by paper bags.
A. are harmful
B. the
C. so
D. should replace
Câu 2: Thanks to advances in medical science, life expectation for both men and women has improved greatly over the past decades.
A. advances
B. life expectation
C. has improved
D. past
Câu 3: The school year starts usually in late August in most parts of the country.
A. starts usually
B. in
C. parts
D. the country
A.
B.
C.
D.