类似于How long have you been waiting?这种句子怎样回答比较地道?

How long have you been waiting?how long 这里是做 时间状语,还是宾语 "How long have you been how long have you been skating?怎么回答 HOW long have you been studying english 怎么回答 How long have you been doing是什么时态的句子?这个时态怎样构成? How long have you been skating? how long have you been playing basketball ? How long have you been swimming? How long have you been ____? 1.How long have you been here? how long have you been ---work? “How long have you been watching