句型转换8x4V(x+N0P5~
"Can you help me carry the heavy box upstairs?" Mr White asks. （改为复合句）8x4V(x+N0P5~
Mr. White asks+v+E-d4`)k2I)e:v0E0n8E)o2S*f5c7}/U+a5d)C8[help 3~7Z(B-}7U:\)~2A.v5j'I carry the heavy box upstairs.8x4V(x+N0P5~