题目内容

4．Do you want to have lunch with us？
No，thank you．I_________ lunch．I ________  lunch at half past twelve．（　　）
A．have had； hadB．had； have hadC．had； hadD．have； have had

分析 --你要跟我们一起吃午饭吗？
--不用了，谢谢．我已经吃过午饭了，我十二点半吃的（午饭）．

解答 答案：A
解析：根据答句的第二句"我已经吃过了"可知此处该使用现在完成时（表示已经吃过，言外之意就是不需要再吃了），故B、C、D谢谢均可排除；后面出现了准确的时间点"十二点半"，故只能使用一般过去时（现在完成时不可与单独的时间点连用）．综上，只有A选项符合题意．

点评 本题考查时态，做此类题目时一定要根据句意或句中的其它提示确定句子该使用何种时态，再结合选项选出正确答案．

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