阿摩線上測驗
14. While digging at the site, archeologists found _____ of ancient organisms buried in the soil for thousands of years.
(A) claims
(B) volcanoes
(C) digits
(D) remains
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統計： A(36), B(199), C(93), D(373), E(0) #2298652
統計： A(36), B(199), C(93), D(373), E(0) #2298652
