What are you arguing with them about?这句话后面为什么要加个about呢?

what are you arguing about/为什么加about? What are you arguing with them about?这句话后面为什么要加个about呢? Some students are arguing about what TV programs__________.A;to watch B;watching C;should watch some children are arguing about what TV programmes to watch 这句话如何理解 you are what you you are what you you are what you you are what you The matter ( ) you were arguing abou last night has been settled A.that B.what C.what Dfor which The matter ( ) you were arguing abou last night has been settledA.that B.what C.what Dfor which Some children are arguing about _____ what TV programmers.A.watchingB.for watchingC.to watchD.will watch选什么 为什么 ---- you were arguing about last night has been settled.A that B which C it D what what are you waiting what are you fucking what are you doing? What are you making? what fuck are you What are you doing?