你好,很高兴能够在这里回答你的问题,这道题的正确答案应该为：
Bob and Jack are borthers.
还有几道is,the,Betty,in,bedroomroad,walk,the,to,on,of,end,thejust,the,under,bed,the,ball,ismap,where,China,is,on,thisBetty is in the bedroom.Walk to the end of the roadThe ball is just under the bedWhere is the map of China?