用all but,anything but,nothing but,noboby but,expect填空

用all but,anything but,nothing but,noboby but,expect填空1.This door is always left open __________ at night.2.The city is _________ beautiful because you can see rubbish everywhere.3.____________ he can do it.4.Your answer is __________ perfect.And your gradeis 99 marks.5.There's __________ a one-yuan coin in my pocket.