It _____ about twenty years since CCTV ____ to broadcast English programs.A.has
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It _____ about twenty years since CCTV ____ to broadcast English programs.A.has been; begun | B.is; began | C.is; has begun | D.was; began |
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答案
B |
解析
试题分析:考查固定句型。固定句型:it is/has been 一段时间since从句。句意:自从…以来。已经一段时间了。Since后面使用过去时,指从过去开始到现在,前面可以使用一般现在时,也可以使用现在完成时。句意:自从中央电视台播放英语节目到现在已经有20多年了。故B正确。 点评:固定句型:it is/has been 一段时间since从句。句意:自从…以来。已经一段时间了。Since后面使用过去时,指从过去开始到现在,前面可以使用一般现在时,也可以使用现在完成时。 |
举一反三
When she ______ back tomorrow, I’ll tell her all about the news.A.will come | B.comes | C.had come | D.is coming |
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When the old man recalled the old hard times, he always said, “ It was the first time that I ____ a full meal. I remembered it forever.”A.have eaten | B.had eaten | C.were eating | D.ate |
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I have been working here since I _______ this new position.A.offered | B.have offered | C.was offered | D.had been offered |
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