It was not until the end of the nineteenth century .
A. did plant breeding become a scientific discipline
B. that plant breeding became a scientific discipline
C. that a scientific discipline was plant breeding
D. did a scientific discipline become plant breeding
Đáp án đúng là: B
Giải thích: It is/ was not until + mốc thời gian + that + S + V: Mãi đến….thì….
Dịch: Mãi đến cuối thế kỷ 19 thì nhân giống cây trồng mới trở thành môn khoa học.
Was it really necessary that I there watching you the entire time you were rehearsing for the play? It was really boring watching you repeat the scenes over and over again.
Switching to eco light bulb is one way to protect the environment.
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
There was an overwhelmed (A) interest in the story of King Kong from (B) its first appearance (C) in 1933 movie to the popular remake (D) of that film in 2017.
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
(29) , there are many ongoing clinical trials evaluating potential treatments.
He was about to do something when his mother suddenly shouted out.
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Early poverty has taught Sam to stand on his own feet.
Mr. Baker is very interested in our plan. I spoke to him on the phone last night.
If they hadn’t raised our awareness of the disease, we of it as seasonal flu.
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.