Mark the letter on your answer sheet to show the underlined part that needs correcting
Chocolate is prepared by a complexity process of cleaning, blending, and roasting cocoa beans, which must be ground and mixed with sugar
A. blending
B. complexity
C. mixed with
D. which
Đáp án B
“complexity” -> “complex”
Ở đây ta cần một tính từ để bổ sung ý nghĩa cho danh từ process phía sau