Question

Is it high time that the children _____ go to school ?

1. A.
   will go
2. B.
   went
3. C.
   would go
4. D.
   to go

Answer 1

B
考查固定句型的虚拟语气; It is high time that后面的从句用虚拟语气，形式是谓语动词用过去时或should do，选B，句意是：证实孩子们去上学的时候了。选B。