句型转换。8~)H*i-x5x'N1B/f,C5o7y6C;Q
The boy didn"t have a key ring.（改为肯定句）8~)H*i-x5x'N1B/f,C5o7y6C;Q
The boy3^1x2p1K,E.aa key ring.8~)H*i-x5x'N1B/f,C5o7y6C;Q