after did sth.和after doing sth.有什么区别?
after did sth.和after doing sth.有什么区别?
after doing sth 还是 after doing sth?
after+doing+sth对吗?
after do sth.还是after doing sth.
like doing sth和enjoy doing sth有什么区别?
spend doing sth.和 spend on sth.有什么区别?
doing sth和to do sth 有什么区别
avoid doing sth 和avoid sth有什么区别?
有after sb doing sth 和 We in groups discuss sth...这种用法吗?
keep sb doing sth 和 keep doing sth 区别 和go on doing sth有什么区别
hear sb do sth和doing sth有什么区别有to do sth吗
hope sb.后跟to do sth.还是doing sth.和with sth.有什么区别?