______ important thing in life is to have a great aim, and ______ determination to  attain it.

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

_____ important thing in life is to have a great aim, and ______ determination to attain it.

_____ important thing in life is to have a great aim, and ______ determination to attain it.

A．An ; 不填         B．A ; the            C．The ; the          D．The ; 不填

 ______ important thing in life is to have a great aim, and ______ determination to  attain it.

A. An ; 不填        B. A ; the           C. The ; the         D. The ; 不填

______ important thing in life is to have a great aim, and ______ determination to attain it.

A. An ; 不填        B. A ; the           C. The ; the         D. The ; 不填