"John took your photograph just mow.""Oh,really?But I ( )." A.didn't know B.haven't know书上答案是A,我觉得"Oh,really?..."说明说话者现在还不知道,可以用现在完成式,为什么不可选B.

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"John took your photograph just mow.""Oh,really?But I ( )." A.didn't know B.haven't know书上答案是A,我觉得"Oh,really?..."说明说话者现在还不知道,可以用现在完成式,为什么不可选B.
"John took your photograph just mow.""Oh,really?But I ( )." A.didn't know B.haven't know
书上答案是A,我觉得"Oh,really?..."说明说话者现在还不知道,可以用现在完成式,为什么不可选B.

"John took your photograph just mow.""Oh,really?But I ( )." A.didn't know B.haven't know书上答案是A,我觉得"Oh,really?..."说明说话者现在还不知道,可以用现在完成式,为什么不可选B.
不能这样理解的.
一般过去时只表示过去某一特定时间发生的动作,与现在不发生联系;
现在完成时表示过去动作对现在造成的影响和结果,强调现在的情况.
句子要强调的是当时并不知情,并不强调对现在的影响.

John,are these books----(your) Before the driver took John's father to his office. you got a took up your 帮我找找有多少错好不好.Last week,the weather was beautiful,Tom went to the park with his family.They were very happy,and took many photos.Later on Tom saw a blind women.Tom came up to him,then helped him with stick.At last,they took a phot John took control as monitor of our class=John was made monitor and ____ ____ of our class Is this your notebook? Call John 2867963.填空Is this your notebook? Call John ( ) 2867963. your john so your john so big在英文里是什么意思? JOHN john John took a bus to go to school.改一般疑问句 John took a bus to go to school.(改为一般疑问句) 求翻译:She took up the narrative where John had left off. I took Mr.John to the village where I had spent my carefree childhood.翻译句子? John would rather_______a day off than work yesterday.AtakeB have takenC took Dtaking 为什么选B took 英语对话:在横线上填入恰当的句子,补全对话.A:Hi,John!How was your vacation?B:Great.I went to Hong Kong.A:Cool!(1)___________________?B:I vasited many famous places,took many photos and went shopping.A:(2)_______________?B:It was gr 亲们戳进来1.Thank you very much for your help and I took forward to _____you in the near future.A.meeting B.meet C.be meeting D.have met2.John says that he will arrive here _____half an hour.A.for B.at C.on D.in3.We didn't know what to do ______ John took your photograph just mow.Oh,really?But I ( ). A.didn't know B.haven't know书上答案是A,我觉得Oh,really?...说明说话者现在还不知道,可以用现在完成式,为什么不可选B.