题目内容
(请给出正确答案)
[主观题]
【单选题】There are good reasons for Windows XP users to _______.
A、A. upgraded
B、B. upgrade
C、C. be upgrading
提问人:网友oliverweyne
发布时间:2022-01-07
A、A. upgraded
B、B. upgrade
C、C. be upgrading
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