Question

We ____ that the magazines you have borrowed be returned to

Answer 1

D

考查虚拟语气。That引导的宾语从句谓语动词用的是(should) be returned结构，you have borrowed是定语从句，四个选项中只有required当要求讲时，宾语从句的谓语动词用(should)+do的虚拟语气。所以选D。