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He is preparing his speech for the meeting tomorrow.(英译中)
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After speaking for three hours, the lecturer found he could scarcely talk, as he had becom
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What special preparation did Watkins make for taking photos of Yosemite?A.He developed a h
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What is the lecture mainly about?A.How astronomers found the correct interpretation for a
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What is the speaker mainly talking about?A.Requirements for me homework.B.Preparations for
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He is so good that he never has to refer _____ his notes when he gives lectures .A.
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He is very popular among his students as he always tries to make them ____ in his lectures.A.intere