15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 53)
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His work ________ new ground in the treatment of cancer. It is now giving many cancer victims hope of complete recovery. A. uncovered B. found C. broke D. dug

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His work ________ new ground in the treatment of cancer. It is now giving many cancer victims hope of complete recovery.

uncovered

found

broke

dug

Giải thích

Đáp án C

Break new ground: khám phá ra cái gì mới