A little boy walked into the shop. He asked for a loaf of white bread, (simple sentence)
【正确答案】：A little boy walked into the shop and asked for a loaf of white bread./A little boy walked into the shop to asked for a loaf of white bread.
【题目解析】：以上两个句子由于主语一致，所以我们可以用and将其变成一句单句A little boy walked into the shop and asked for a loaf of white bread.或者可以用to do sth变成一句单句A little boy walked into the shop to asked for a loaf of white bread.
