Mark the letter A, B, c, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
The best (A) wav to eliminate a pest is control (B) the food accessible (C) to it (D).
A.The best
B.control
C.food accessible
D.to it
Đáp án là B. control => controlling, vì sau tobe “is” ta phải dùng danh động từ.