Đáp án A.
Đổi have forming thành have been forming. Dựa vào từ since nên động từ phải dùng ở dạng hoàn thành.
Tạm dịch: Các hòn đá cứ tiếp tục hình thành, mòn đi và hình thành lại từ khi có Trái Đất.
Mark the letter A, B, C, or D on your anwer sheet to indicate the underlined part that needs correction in each of the following questions.
Rocks have forming, wearing away and re-forming ever since the Earth took shape
A. have forming
B. wearing away
C. ever since
D. took
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.
Jane still (A) has trauma from the (B) tragic accident, (C) that took away her (D) closest friend.
A. has
B. tragic
C. that
D. closest
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.
Miranda still has trauma from the tragic accident, that took away her closest friend.
A. has
B. tragic
C. that
D. closest
Mark the letter A, B, C or B on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Paul decided (A) to join (B) the army after the first year (C) at college and he (D) was in it ever since.
A. to join
B. the
C. at college
D. was
Mark the letter A, B, C or B on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Paul decided (A) to join the army after (B) the first year (C) at college and he (D) was in it ever since.
A. to join
B. the
C. at college
D. was
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in the each of following questions
Rose made a decision to join (A) the (B) military after the final year at university (C) and she was (D) in it ever since
A.to join
B.the
C.at university
D.was
Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction.
(A) Most sedimentary rocks (B) start forming when grains of clay, silt, or (C) sandy settle in river valleys (D) or on the bottom of lakes and oceans
A. Most
B. start forming
C. sandy
D. or on
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.
Economics (A) have been developed (B) rapidly (C) since (D) the last few years.
A. Economics
B. have been developed
C. rapidly
D. since
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.
(A) I think you have asked me five (B) or six questions since we (C) have begun (D) this exercise.
A.I think
B. or
C. have begun
D. this