到底是 I look forward to doing 还是 I am l

到底是 I look forward to doing 还是 I am l 我盼望很快见到你英语.是I am looking forward to还是I look forward to? look forward to是加doing还是加do? I look forward to hearing from you与I am looking forward to h look forward to doing 还是to do? I am _________a holiday next week .(look forward to) look forward to 与 look forward for 区别,比如：I am looking forwar look forward to do/ 还是 doing sth Look forward to doing and doing还是Look forward to doing and d look forward to doing. 还是不懂,look forward to do和 look forward to doing用法的区别 I look forward to my dream