OftenwhenIpassedthevillage，I

问题详情：

 Often when I passed the village，I________ them working on the farm.

      A．will see     B．would see  C．must have seen   D．must see

【回答】

 B　would表示“过去经常”。

知识点：虚拟语气与情态动词

题型：选择题