两个问题：关于托福成绩和网申

chipmunk

在哪里提供resume，难道也得和成绩单、推荐信一起邮寄到学校吗？

You should be able to find a place to upload your resume online. If not, then you could mail it to school.

推荐信在封口处的签名是用英文还是中文呀？

Doesn't matter, just as usual as your recommender does everyday.