How are things going on these days?——这个句子从语法角度来说,

How are things going on these days?——这个句子从语法角度来说, How are you getting on these days? how are things going? 下面这个英语句子从语法的角度来说有错误吗? How have things been these days? how are you these days? Please keep us ________ of how things are going on. how are things going there How much are these things going to cost?这句话英用英语该怎么回答 How are you doing these days? How are things going的答语是什么 How are things going?如题