By the end of the 21th century, scientists _________ the cure for the common cold.
Đáp án A
Thì tương lai hoàn thành dùng để diễn tả một hành động hay sự việc hoàn thành trước một thời điểm trong tương lai.
Dấu hiệu nhận biết: by + mốc thời gian trong tương lai
Dịch nghĩa: Vào cuối thế kỷ 21, các nhà khoa học sẽ tìm ra phương pháp chữa bệnh cảm thông thường.
Broasides could be published with little risk to colonial printers because they ________.
The phrase “For starters” in paragraph 2 could best be replaced by “______”.
Why does the author mention Joseph Pulitzer and William Randolph Hearst?
All of the following are mentioned as places in which memories are stored EXCEPT the ________.
The word “cues” in paragraph 4 is closest in meaning to ________.
The word “elaborate” in paragraph 3 is closest in meaning to ________.
The word “exceed” in paragraph 3 is closest in meaning to ______.
According to the passage, why can glass be more easily shaped into specific forms than can metals