后二组选复式计算技巧简介：On the way to get off work, the bodyguard was obviously more vigilant than usual. Even when he was waiting at the red light and looking at the pedestrians crossing the zebra crossing, he scanned their hands vigilantly.
On the way to get off work, the bodyguard was obviously more vigilant than usual. Even when he was waiting at the red light and looking at the pedestrians crossing the zebra crossing, he scanned their hands vigilantly.
