My brother didn't know where he could buy this book My broth

My brother didn't know where he could buy this book My broth My brother didn't know where he could buy an English book.(改 he didn't ____in my birthday party,i don't know where he's g My brother didn't know what he should say.(改为同义句) i didn't know this was something i could do until i got my r 4.My brother took a bus to school this morning.He didn't rid Cathie didn't know(where could we buy the tickets/what w Jack didn't know where he could find his mother变为简单句 my brother left home.He didn't have breakfast 保持原句意思 My brot I didn't buy the English-chinese book( )my mother had bought I didn't lend her my book because she (buy) one in the the b Where did you buy this book?I want to buy____for my sister.A