A.the;the | B.a;the | C.the;a | D./;a |
A.a; the | B.an; / | C.a; / | D.the; the |
A./;/ | B.a; the | C./; the | D.a; / |
A.a; a | B.a; the | C.the; a | D.the; the |
A.不填, a | B.the, 不填 | C.不填, 不填 | D.不填, the |
A.the; 不填 | B.不填; a | C.an; a | D.an; 不填 |
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