Because of ________ high demand for Type AB blood, ________ supplies of it are usually limited.
A.the; the | B.不填;不填 |
C.不填;the | D.a; the |
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Because of ________ high demand for Type AB blood, ________ supplies of it are usually limited.
A.the; the | B.不填;不填 |
C.不填;the | D.a; the |