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敬君酒 上传于:2024-06-12
英语现在完成时专项练习题及答案 一、        单项选择。 1、Both his parents look sad . Maybe they _________what's happened to him .   A. knew B. have known C. must know D.will know 2、He has _______ been to Shanghai , has he ?   A. already B.never C.ever D. still   3、Have you met Mr Li ______?   A. just B. ago C.before D. a moment ago 4、The famous writer _____ one new book in the past two year .   A. is writing B.wa
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