Câu hỏi và hướng dẫn giảiNhận biếtMark 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. The detailed study of fossils, rather like a crime investigation, it involves the piecing together of many diverse fragments of evidence.
A.
the piecing
B.
it
C.
detailed study
D.
of many diverse
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