句型转换+u*B+s7y9_*T*W
Are you tied? My mother asked me. （合并为一句）+u*B+s7y9_*T*W
My mother asked me)~9P)f'X:H:f9i)}0G5R4DI .K0I5t:z6G;T,N2d,B6c.Ktired.+u*B+s7y9_*T*W