桌子上堆满了文件，他无从下手。

The desk is piled high with ___papers, and he doesn't know where to start.

登机前请准备好您的护照和入境文件。

Please have your passport and entry ___papers ready before boarding.

她每天早上都会浏览桌上的报纸。

She scans the ___papers on the table every morning.

教授要求我们在下周之前完成所有的学术论文。

The professor asked us to finish all our ___papers by next week.