A对
固定用法：be afraid to do sth 害怕做……
be afraid of sth/doing sth害怕……
加油!不明白再问!如果帮到你,请采纳,谢谢!具体点好吗？我是说be afraid ofbe afraid of sth be afraid of doing sth 如1 He is afraid of dogs .2 He is afraid of going out at night .=He is afraid to go out at night .