该为:Could you tell me how long it takes to fiy to Guilin-------About 2 hours 该为:Would you mind if I opened the window . Of course not . Please ,though itis a little cold
how后面加long how long多久时间 yes改成NO。no,please表示请吧,没关系。还有。how long忘打了是how long啊。。看该为:Could you tell me how long it takes to fiy to Guilin-------About 2 hours 该为:Would you mind if I opened the window...