Error Identification.
In science (A), the results of an experiment are (B) not generally accepted until they had (C) been duplicated (D) in other laboratories.
A. In science
B. are
C. had
D. duplicated
Giải bởi qa.haylamdo.com
Đáp án:
In science, (A) the results of an experiment are (B) not generally accepted until they had (C) been duplicated (D) in other laboratories.
Sau "until" mệnh đề chia ở thì hoàn thành để diễn tả điều kiện cần của một sự việc nào đó.
Vì vế trước của câu dùng thì hiện tại đơn, nên vế sau không thể dùng quá khứ hoàn thành mà phải dùng hiện tại hoàn thành:
Cấu trúc bị động của thì HTHT: S + have/has + been + Ved/V3
In science, the results of an experiment are not generally accepted until they have been duplicated in other laboratories.
Tạm dịch: Theo khoa học, kết quả thí nghiệm nhìn chung không được chấp nhận cho đến khi nó được nhân bản trong các phòng thí nghiệm khác.
Đáp án cần chọn là: C
Error Identification.
It (A) is extremely (B) important for (C) an engineer to know (D) to use a computer.
Error Identification.
We have heard (A) so many (B) news about recent (C) developments (D) in computer technology.
Error Identification.
Computers have made(A) access to information(B) instantly (C) available just by push (D) a few buttons
Choose the sentence which has the closest meaning to the original one.
She has cooked for dinner for two hours.
Choose A, B, C, or D that best completes each sentence.
Question 2: They were finally______with each other, after not speaking for nearly five years.
Choose A, B, C, or D that best completes each sentence.
Question: Understanding the impacts of dating on teen years can help parents in their______with teens.
Error Identification.
Fifteen hundred (A) dollars a year were (B) the per capital (C) income in the United States in 1950(D).
Choose A, B, C, or D that best completes each sentence.
Question: With their many similar tastes, he found her a most ______companion.
Choose A, B, C, or D that best completes each sentence.
Question: The fact that teens focus more on their friends may leave their parents ______hurt.
Choose A, B, C, or D that best completes each sentence.
Question: To people who don't know him he probably ______rather unfriendly.
Choose A, B, C, or D that best completes each sentence.
Question: Teens all over the world notice passionate feelings of _______in romantic relationships.
Choose the sentence which has the closest meaning to the original one.
We think he was in London last year.
Choose A, B, C, or D that best completes each sentence.
Question: Parents often feel they have lost any sort of _______ or influence over their child.
Choose A, B, C, or D that best completes each sentence.
Question: Teenagers do not have to work and______on their favorite study, club activities and going out.
Choose A, B, C, or D that best completes each sentence.
Question: He is 16, but he often______younger.
