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你什么时候使用电脑？
When do you use a computer?
youdao
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你什么时候学会使用电脑的？
When did you learn to use the computer?
youdao
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你什么时候才能结束工作不再用电脑？
When will you finish your work and leave the computer alone?
youdao
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你什么时候才能结束工作不再用电脑？
When will you finish your work and leave the computer alone?
youdao