The little boy didn't know where he could buy an English dictionary.= The little boy

问题描述:

The little boy didn't know where he could buy an English dictionary.= The little boy
The little boy didn't know where he could buy an English dictionary.= The little boy didn't know _______.

单词忘了where he is able to buy an english dictionaryThelittleboydidn'tknow___where he is able to buy an english dictionary