15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 1) (Part 7)

The exam to become a lawyer is on far the most difficult he has taken. A. become B. on C. most D. has

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The exam to become a lawyer is on far the most difficult he has taken.

become

on

most

has

Giải thích

Đáp án B

On -> by far bổ trợ nghĩa cho so sánh hơn