If he ______ tourists for his business,he would have to close his shop.

问题描述:

If he ______ tourists for his business,he would have to close his shop.
A、depends on
B、had depended on
C、depends with
D、had depended with

选B 此句是if的虚拟语气 前半句是对过去的虚拟 用过去完成时 后半句是对将来的虚拟