No, the questions on Baidu's network disk can't be written with a pen. If you want to write the question on Baidu's network disk with a pen, you can do it on a tablet computer. If the file is a PDF version, you can use notability, goodnotes and other note-taking applications. If it is too troublesome, you can directly WPS. Word version will be converted from WPS to PDF before writing notes. Open the PDF file with WPS, switch the interface to the insertion interface in the menu bar, find the PDF signature in the insertion interface, click with the left mouse button, select Create Signature in the drop-down bar, and click with the left mouse button. Also download it to the computer, then copy it in, download it through the network disk, and write it as a file on the tablet computer.