( ) （5）July1st is the birthday of the Communist Party ___China.
A. forB. ofC. in
( )（4）Party members celebrate the day when it ____ founded.
A. isB. wasC. were
( )（3）_____ August , school is out.
A. onB. inC. at
( ) （2）August is the _____ month of the year.
A. eighthB.seventhC. sixth
( ) （1）Students ______ their summer holidays.
A. hasB. havingC. have