题目

— How can you use my computer without permission? — Oh,I ________ to tell you. I hope you don’t mind. A.forget                     B.forgot C.have forgotten         D.am forgetting 答案: B “忘记”发生在过去,而不是现在,故用一般过去时。执行下面的程序框图,则输出结果( )A. B. C. D.
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