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 do sth 还是hold on to doing sth hold on to doing sth 还是hold on to do sth 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 sth hold up to work on doing sth还是work on to do sth? live on 后接doing sth 还是to do sth? hold on to do sth hold on to doing sth ,哪个对look forward to doing 这里又怎么搞的 got an invitation to do sth 还是 on doing sth/in doing sth/of doing sth on the way to do sth 还是on the way to doing sth 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, be keen on后面加什么be keen on后面加doing sth;do sth;还是to do sth? plan+to do sth.还是doing sth.还是 do sth. use sth doing sth还是use sth to do sth promise doing sth还是to do sth mind doing sth还是 to do sth finish to do sth还是doing sth enough doing sth 还是 to do sth