Paulaandherhusbandhavefourkids,threepetdogs,andarabbit....
问题详情：Paulaandherhusbandhavefourkids,threepetdogs,andarabbit.Whenthehouseisverynoisy,Helen,oneofthechildren,isquietlyinventing.Ayearago,the10-year-oldhadtodesignananti-smokingposterforaschoolp...