hold on to do sth hold on to doing sth ,哪个对look forward to doing 这里又怎么搞的

hold on to do sth 还是hold on to doing sth hold on to do sth 还是hold on to doing sth hold on to doing sth 还是hold on to do sth hold on to sth hold up to 坚持做某事,是hold on to do sth.还是 hold on to doing sth.有何区别? hold on to do sth hold on to doing sth ,哪个对look forward to doing 这里又怎么搞的 英语翻译2,be willing to do ,would like to do sth,愿意做某事可以是同义词组吗,3hold on to do sth,continute doing sth,go on doing sth,是同义词组吗,可以通用吗, work on doing sth还是work on to do sth? 有depend on sb.to do sth. 有depend on sb.to do sth. go on to do sth ,go on doing sth,go on with sth有什么区别 live on 后接doing sth 还是to do sth? got an invitation to do sth 还是 on doing sth/in doing sth/of doing sth We do not have to hold on tightly let going on doing sth go on to do go on doing sth,go on to do sth,continue doing sth,continue to do sth,keep doing sth它们有什么区别 初中英语概念有无go on to do sth 和contine to do sth? on the way to do sth 还是on the way to doing sth