题目内容
15.My father has already been to America.(改为一般疑问句)Has your father been to America,yet?
分析 我的爸爸已经去过美国了.
你的爸爸还没有去过美国吗?
解答 答案:Has,yet.这里是现在完成时have/has+过去分词,改一般疑问句:一提have/has; 二改 already改为yet;already用于肯定句,yet用于疑问句或否定句,故答案为:Has,yet.
点评 此题考查现在完成时的一般疑问句,提前have/has 注意already改为yet即可.
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