是用look还是looking?

是look forwording to 还是 looking forword to 此空填look还是looking look at the picture还是looking 是 My job is looking after the oid man.还是My job is to look af 为什么是looking different而不是look different His English teacher has a nwe（ ） ——这里是填look还是looking 还是looke look!How hppy she_______ 上面填looks还是is looking 我盼望很快见到你英语.是I am looking forward to还是I look forward to? I'm really looking forward to our vacation.这个句子是用了look forwa 在商务信函中.结尾用Looking forward to >.这样可以吗?还是用Look forward to >. Let me ( ) at your notebook?中间的空是填look、looking、to look、还是loo 看雨是watching还是用seeing还是looking