Đáp án B
Trong câu có trạng từ chỉ thời gian “By + một khoảng thời gian trong tương lai”, ta dùng thì
tương lai hoàn thành.
Cấu trúc: will + have + PP
Đáp án B (Cho đến thời điểm cuối thế kỉ 21 thì các nhà khoa học sẽ tìm ra cách chữa trị cho
bệnh cảm lạnh.)
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
By the end of the 21st century, scientists _______ a cure for the common cold.
A. will find
B. will have found
C. will be finding
D. will have been finding
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
By the end of the 21st century, scientists _______ a cure for the common cold.
A. will find
B. will have found
C. will be finding
D. will have been finding
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
By the end of the 21st century, scientists _____________ a cure for the common cold.
A. will find
B. will have found
C. will be finding
D. will have been found
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each unfinished sentence.
By the end of the 21st century, scientists _______ a cure for the common cold
A. will find
B. will have found
C. will be finding
D. will have been finding
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
By the end of the 21st century, scientists__________a cure for the common cold
A. will find
B. will have found
C. will be finding
D. will have been finding
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following sentences
By the end of this March he will have been living here for 20 years
A. has been living
B. will live
C. will have been living
D. will be living
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 cure for the common cold, causing by a virus, has not been found
A. for
B. causing
C. a virus
D. has not been found
* Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
You will have to tell him about it in the end. The longer you put off doing so,
the harder it’s going to be.
A. Surely it’s better to let him know about it now than wait until he finds out for himself.
B. You can never keep things secret for long, so the best is to tell him about it soon.
C. You can’t keep him in the dark about it forever, and telling him will get harder the longer you wait.
D. He will have to be notified about it, and the sooner the better.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If it hadn’t been for the hint that the professor ___, nobody would have found out the correct answer
A. dropped
B. cast
C. threw
D. flung