(A)Prediction of earthquakes remains (B)inexactly, but general predictions can (C)be made after (D)monitoring magnetic changes.

Câu hỏi :

(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

* Hướng dẫn giải

Phương pháp giải:

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