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: A beaver uses its (A)strong front teeth (B)to cut down trees and peel off (C) its (D )bark.
A. A
B. B
C. C
D. D
Câu 2: The clerks (A)who are happy to wait for (B)their customers (C)will get promoted (D) soon.
A. A
B. B
C. C
D. D
Câu 3: Although (A)lacking in (B)calcium and vitamin A, grains (C)have most (D)carbohydrates
A. A
B. B
C. C
D. D
Câu 4: Scientists have found that occasional exposure (A)to bright light can help a (B)person get used to working (C)the shift night (D).
A. A
B. B
C. C
D. D
Câu 5: Never in history of humanity (A)has (B)there been more people living on (C)this relatively (D)small planet.
A. A
B. B
C. C
D. D
A.
B.
C.
D.