我找不到数学书了。我本该把它放进书包里了的。的翻译：I can't find my math books. I should have put it in a bag. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I can not find math book. I should have put it in a bag of.

I can't find my math books. I should have put it in a bag.

I could not find mathematics book.I originally should admit it in the book bag.

I could not find any mathematics books. I would put it into the bag.

I can't find my math books. I should have put it in a bag.