She ran a half mile in a half hour.
She ran a half mile in a half hour.
She ran a half mile in a half hour.中a可以放在half吗?
改错:she rans half a mile in half an hour.
a half mile 还是half a mile
half an hour or a half hour?
a half hour还是half an hour?
half a hour
get within half a mile of Dover
they will go back () A after half an hour B in half an hour
a half of an hour
half an hour 和a half hour有什么区别?
an hour and half还是an hour and a half