选C 。 这个句子考查的是情态动词表推测的用法，在这个句子中，考查情态动词在疑问句中表推测的用法。只有can/ could 可以用于在疑问推测， 因此答案是C.
All my excel files were converted to pdf. Why would this happen and how do i stop it from doing so? Guest Apr 27, 2014 Copy link to clipboard Copied All my excel files were converted to pdf. Why would this happen and how do i...
This morning, I have opened Excel 16.77 and the "On My Mac" option in "Other Locations" when opening a file has disappeared. It is still there in MS Word 16.77.1, it is also there on PowerPoint 16.77.1 When I check to see if there is an update for Excel in App ...
On Adobe acrobat DC, I want to have a save and print function at the bottom. It was there before but seems to have disappeared. How do I get that back? Updated Feb 02, 2023 • Acrobat Discussions "Send for Signature" tool has disappeared I recently updated to the latest version...
iCloud deleted my file How do I recover an excel file that I was just working on last night and has now disappeared? 2 years ago 601 3 Files disappeared from iCloud Some files from my icloud drive dissapeared!!! files from my work!!! espessially folder "работа" (IT MEAN...
Copper Contributor Oct 24 202308:07 AM Issue: all my tasks and lists have disappeared suddenly I use to-do on the web, but when I opened it all my tasks, completed and not-completed were gone. It was like I had never used it before with everything disappear...
I’ve worked hard on dozens of files recently only to discover that marked up files have disappeared or been corrupted. This is incredibly disappointing. Why is Apple not doing anything about it. I see other people have had similar issues. ...
Recently I had this problem where my local cluster manager got disappeared from system tray without...Date: 06/14/2017[Azure Service Fabric] Use of EnableDefaultServicesUpgrade propertyRecently I had this issue where Service Fabric application upgrade fails to deploy as expected after......
If you've recently changed to a new device, your 'Typing stats' will be empty. These don't transfer across devices, and could cause you to wrongly assume your predictions have disappeared. There are a number of legitimate reasons why you might not see your predictions: ...
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