关于八年级英语的一个问题.i‘ve been skating for five hours.和.she’s been s
关于八年级英语的一个问题.i‘ve been skating for five hours.和.she’s been skating for five fours have been doing sth是现在进行完成时,那she’s been skating for five fours.为什么是be been skating 这是人教版新目标八年级下第六单元的对话中的句子.为什么阿