A.an, / | B.the, a | C.the, / | D.the, the |
A.a; an | B.不填;an | C.不填;不填 | D.the; the |
A./;the | B.a; the | C.the; / | D./;/ |
A., a | B.the, the | C., the | D.the ,a |
A./, a | B.a , the | C.a, / | D./,/ |
A.不填; 不填 | B.a; the | C.the; the | D.the; 不填 |
© 2017-2019 超级试练试题库,All Rights Reserved.