Đáp án B.
has => have
Chủ ngữ của câu là “the effects” số nhiều nên đáp án B phải sửa thành “have”.
Tạm dịch: Những ảnh hưởng của việc hút thuốc lá đã được chứng minh là rất có hại.
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.
(A) The effects of (B) cigarette smoking (C) has been proven to be (D) extremely harmful.
Pick out the letter A, B, C, or D to indicate the underlined part that needs corrrections in each of the following questions
The effects of cigarette (A) moking has (B) been proven to be (C) extremely (D) harmful.
A. cigarette
B. has
C. to be
D. extremely
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The effects of cigarette smoking to be extremely harmful so far.
A. is proved
B. will be proved
C. are proved
D. have been proved
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.
It (A) has been said (B) that laser (C) to be the most miraculous (D) to cure the disease.
A. has been said
B. that
C. to be
D. to cure
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.
Some bacteria(A)are extremely harmful(B), but others are regular used(C) in producing foods. (D)
A. Some bacteria
B. extremely harmful
C. regular use
D. producing foods
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) The assumption (B) that smoking has bad (C) effects on our health (D) have been proved.
A. The
B. that
C. effects on
D. have
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
The assumption that smoking has bad effects on our health have been proved.
A. The
B. that
C. effects on
D. have
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
The assumption that smoking has bad effects on our health have been proved
A. that
B. effects on
C. have been
D. proved
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
Mold is extremely (A) destruction (B) to books (C) in a library. (D)
A. extremely
B. destruction
C. books
D. a library