afraid to和afraid of的用法?

afraid to和afraid of的用法? be afraid to 和 be afraid of 的不同 be afraid词组的区别be afraid to do 和be afraid of doing的区别及各自的例句, sb afraid of doing sth和sb afraid of to do sth的区别在哪里? afraid of+ doing sth 和 afraid of+ to do sth 的区别? be afraid of和be afraid to有什么区别 be afraid of doing 和 be afraid to do 区别 be afraid of 和be afraid to怎样区分, be afraid of 和 be afraid to的区别(请详细一些) be afraid to do和be afraid of doing的区别, i'm afraid to和i'm afraid of doing 之间的区别是什么? be afraid to do sth 和be afraid of doing sth 的区别? be afraid of和be afraid的用法 be afraid to,be afraid of,be afraid that的区别 be afraid of be afraid on be afraid to be afraid at 的区别都是害怕有什么区别啊 be afraid of doing sth和 be afraidbe afraid of doing sth和 be afraid to do sth区别 be afraid to和be afraid of有什么区别?举些实例. afraid to be pregnant和afraid of being pregnant 有什么不同?