He is having a good

He is having a good He is having a good time.为什么用having而不用hasing . everyone is having a good he is having a bath He's f___ in having a good job,since business is bad nowaday he is good a---- he is having on a black coat. it sounds like （） is having a good time.A.he B.him C.his D.h He is a ( )good student ____ he ___ (work)?_No ,he is having a rest. Everyone is having a good time to play beach volleyball Everyone is having a good time.改为同义句.