华中师范大学《视听》在线作业.docx
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华师《视听》在线作业
第1题. He is really good man, ______?
选项A：doesnt he
选项B：isnt he
选项C：wont he
参考答案：B
第2题. I dont know where the key is, but I suppose I ____________ it at home.
选项A：could have left
选项B：should have left
选项C：must leave
参考答案：A
第3题. He failed ____________ all his efforts.
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