( )There were ______ books in the library.
A. a lot of B. a C. lot of
--they ？ --No，they are .
A.Do；doctors；cook
B. Are；doctors；cooks
C. Are；doctors；cookers
--your uncle write stories？ --No，He reads stories.
A.Is B.DoesC.Do
What your parent do?
A.doesB.doC.doing
Miss Cheng at home every day.
A.workB. works C.is work
--Are you policemen？ --Yes，.
A.I amB.you are C.we are