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.
(A)Prediction of earthquakes remains (B)inexactly, but general predictions can (C)be made after (D)monitoring magnetic changes.
A. Prediction
B. inexactly
C. be
D.monitoring
Đáp án : B
Remain + adj: vẫn, hoàn cảnh như cũ/ còn lại
remain inexactly => remain inexact