hear sb. do sth 和 sb.be heard to do sth是固定用法吗?
hear sb. do sth 和 sb.be heard to do sth是固定用法吗?
Hear sb to do sth 和 hear sb doing sth
hear sb to do sth?
怎样区别hear sb.do sth与hear sb.to do sth的用法?
hear sb do sth和doing sth有什么区别有to do sth吗
是hear sb to do sth 还是hear sb doing sth
hear sb.do/ding sth和listen to sb.do sth 的区别
有没有 hear sb to do sth
-----sb to do sth 和 -----sb do sth
help sb do sth 和help sb to do sth
make sb.to do sth.和 make sb.do sth.
ask sb do sth和ask sb to do sth