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There _______ a pen, two pencils and three books on the desk.
 A. are        B. is         C. has          D. have

There _____ a pen, two pencils, and three books on the desk.

    A. are               B. is                 　　 C. has             　　 D. have

There ____ a pen, two pencils and three books on the desk.

A.are                   B.is               C.has               D.have

There ____ a pen, two pencils and three books on the desk.