How have you been?如题.....顺便说明下这句话的结构3q

but how have you been though?如题 How have you been? How long have you been How have you been?如题.....顺便说明下这句话的结构3q 填空题How long have you been c__stamps?填什么 how have you been to so far? how many have you been here how long have you been learning english? How long have you been studying? How long have you been in China? 英语翻译How have You been beautiful? how long have you been dancing today? How long have you been there? Hi ,How have you been ? 是什么意思? How have you been nearst是什么意思 “How long have you been watching How understand this.You have been my How much have you been offered