题目内容
11．-____ you _______your book to the library？-Yes．I returned it yesterday．（ ）
| A． | Did，return | B． | Have，returned | C． | Will，return |
分析 -你的书还到图书馆了吗？
-是的，我昨天还的．
解答 答案：B
现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果．过去发生的动作：昨天还书，对现在造成的结果是书已经在图书馆了，所以用现在完成时，构成形式：have/has+动词的过去分词，故选B．
点评 本题考查现在完成时，明白其含义：表示过去发生或已经完成的动作对现在造成的影响或结果；表示从过去某时开始一直延续到现在的动作或状态．
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