Đáp án C.
Giải thích: Vì bổ nghĩa cho động từ thường react nên ta dùng trạng từ. Trạng từ quickly chuyển sang so sánh hơn có dạng more quickly.
Dịch nghĩa: Nhiều hóa chất phản ứng nhanh hơn trong dung dịch axit.
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 hotter the food is, harder it is to eat.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Perhaps the_________place to grow up is the place where you feel at home.
If she tries more hardly, she may succeed in breaking the world record.
Until recently, California was larger producer of oranges in the United States.
The leek, a member of the lily family, has a mildest taste than the onion.
French is considered to be more difficult as English, but Chinese is the most difficult language.
As the time for the performance got more nearly. I got more nervous.