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 nutritionist told him to avoid eating (A) lots of carbohydrates, focus having (B) more protein-rich foods (C) and green vegetables, and drink (D) at least eight glasses of water a day.
A. avoid eating
B. focus having
C. protein-rich foods
D. drink
Đáp án B.
Đổi focus having → focus on having
Ta có: Focus on sth: tập trung vào cái gì