题目内容
19.The Smiths have already been to the Oriental Pearl TV Tower.(改成否定句)The Smithshaven't been to the Oriental Pearl TV Toweryet.
分析 --史密斯已经到东方明珠电视塔.
--史密斯一家没去东方明珠电视塔呢.
解答 答案:haven't;yet 考查句型转换.根据句子结构,变否定句需在助动词have后面加not,同时already多用于肯定句,表示一事实 意为 已经 早已;yet则多用于否定句、疑问句,意为 还、尚、迄今、到那时,故第二个空用yet.
点评 考查句型转换,根据题意用合适的形式完成句子.
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