My MP4 player isn't in my bag .Where____I have put it My MP4 player isn't in my bag.Where___I have put it?A.can B.must C.should D.would 请问答案为何是 A 这与 have put 这个完成时态

问题描述:

My MP4 player isn't in my bag .Where____I have put it
My MP4 player isn't in my bag.Where___I have put it?
A.can B.must C.should D.would
请问答案为何是 A 这与 have put 这个完成时态

刚刚看答案我说怎么could找不到。原来是原来试can

第一句:My MP4 player isn't in my bag.Where can I have put it ?
翻译:我的MP4播放器并不在我的包里。我可以在哪里把它吗?
第二句:My MP4 player isn't in my bag.Where must I have put it ?
翻译:我的MP4播放器并不在我的包里。我必须把它放在哪里?
第三局:My MP4 player isn't in my bag.Where should I have put it ?
翻译:我的MP4播放器并不在我的包里。我把它放在哪里?
第四局:My MP4 player isn't in my bag.Where would I have put it ?
翻译:我的MP4播放器并不在我的包里。我在哪儿能找到它?
原因不解释你会乱

can在这里表推测,,推测已经做过的事情。也有should have done这个结构,情态动词加完成时,不矛盾。

must意为“应该,必须”,与I have矛盾;看ACD三个选项,只有C选项should have done满足“应该已经把它放在哪里”之意。此处should表推测。 C

这里的“can”,表示可能的意思