题目内容：

Those farmers who _________ move from place to place with their animals in the past have moved into new houses at last.
[ ]
A. couldB. mightC. would D. should
选啥,为啥

优质解答

C
would 表示过去反复发生的动作或某种倾向
那些在过去与他们的动物到处迁徙的农民最后搬到了新房子去了.
过去到处搬家表明了过去反复发生的动作,所以用would