later ,people began to train___like horses and camels and used them for_____填上两个适当的词.
问题描述：
later ,people began to train___like horses and camels and used them for_____填上两个适当的词.
答
Later, people began to train (animals，动物) like horses and camels and used them for (riding，骑).
答
animals（动物） work(工作) 很高兴为您解答，望采纳谢谢
答
Later,people began to train (animals,动物) like horses and camels and used them for (riding,骑).
后来,人们开始训练像马和骆驼这类的动物,用于骑坐.