look forward to 的否定形式为look forward to not doing sth
look forward to (doing )sth
look forward to (doing) sth.
look forward to doing sth和look forward to do sth的区别?
look forward to doing.
look forward to do/ 还是 doing sth
look forward to和look forward to doing的区别
有look forward to sth.
look forward to doing 还是to do?
求总结初中阶段所有to为介词后面加动词ing的短语如look forward to doing sth
还是不懂,look forward to do和 look forward to doing用法的区别
look forward to doing和looking forward to do
look forward to doing sth,那要是在look后加上ing后还是doing