allow to do和allow doing 的用法有什么区别
allow的用法allow to do sth 和allow doing sth 有什么区别?谢谢了
allow to do和allow doing 的用法有什么区别
allow to do和 allow doing区别
allow to do sth ,allow doing sth 有什么区别
allow sb.to do和 allow sb.doing 的区别
allow to do something 和allow doing something 有什么区别
allow doing allow to do区别
allow to do 与allow doing的区别?
be allow to do与allow doing的区别
allow 后接 to do 和 doing 有何区别?
allow doing与allow sb to do sth 有什么区别?
在线等英语高手!allow() to do 和allow doing的区别?