since + mốc thời gian
for + khoảng thời gian
Vế trước “since, for” có thể chia ở thì hiện tại hoàn thành hoặc thì hiện tại đơn.
Sửa: for => since
Tạm dịch: Đã gần 40 năm kể từ khi Shakespeare sinh ra.
Chọn B
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.
Cameras (A) of one type or another(B) have been using(C) for more than a hundred(D) years.
A. Cameras
B. another
C. using
D. hundred
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.
Tourists (A) are not permitted entering (B) the park after (C) twenty-four hundred hours for security (D).
A. tourists
B. entering
C. after
D. for security
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.
Tourists are not permitted entering the park after twenty-four hundred hours for security.
A. Tourists
B. entering
C. after
D. for security
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.
Tourists are not permitted entering the park after twenty-four hundred hours for security.
A. Tourists
B. entering
C. after
D. for security
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 (A) of the agricultural practices (B) used today (C) is responsible for (D) fostering desertification.
A. of
B. used
C. is
D. fostering
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
In the United States (A) among 60 percent (B) of the space on the pages of newspaper (C) is reserved for (D) advertising
A. among
B. of the space
C. is
D. advertising
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.
Higher education is very (A) importance to national (B) economies and it is also a source of trained and (C) educated personnel for (D) the whole country.
A. importance
B. economies
C. educated
D. the whole country
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 world is becoming more (A) industrialized and the number of animal (B) species that have becoming (C) extinct (D) have increased. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
A. industrialized
B. species
C. extinct
D. have
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.
The deadbolt is the (A) best lock for entry doors (B) because it is (C) not only inexpensive but (D) installation is easy.
A. best
B. because
C. not only
D. installation is easy
