The little boy didn't know where he could buy an English dic

My brother didn't know where he could buy an English book.(改 My brother didn't know where he could buy this book My broth Cathie didn't know(where could we buy the tickets/what w 2道the little boy was so nervous that he didn't know ____ Jack didn't know where he could find his mother变为简单句 The little boy didn' t know______. Peter didn't know how he could improve his English.的同义句 the little girl didn't know how she could get home.改为同义句 I didn't know where he lived还是I didn't know where he lives对? he didn't know how he could break the ropes同义句 英语翻译He didn't know the word,so he asked me whether I could l When the boy couldn't find his mother,he didn't know