According to recent reports, one of the rare animals, ____ crocodile, is in ____ danger of dying out.
A.a; the | B.不填; a | C.不填; the | D.the; 不填 |
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According to recent reports, one of the rare animals, ____ crocodile, is in ____ danger of dying out.
A.a; the | B.不填; a | C.不填; the | D.the; 不填 |