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        

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  

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　　

Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited.

1. A.
   the; the
2. B.
   不填; 不填
3. C.
   不填; the
4. D.
   a; the

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            

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

Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited．

Because of _____high demand for Type AB blood,_______ supplies of it are usually limited. 【山东师大附中2011届高三第七次质量检测】【冠词】