香港话和广州话区别:They talked for six hours straight

They talked for six hours straight when I talked a joke to them,they couldn't help l_____ buy sth for six dollars=buy sth at six dollars吗？ Failure of WTO big six is bad news for everyone They sang at the concert for Charity. They are searching for a horse they have lived here for long..... they have lived here for long..... A;Five oranges,please.B;How _________ are ________ ? A;They're six dollars. You smiled and talked to me of nothing and I felt that for this I had been waiting long