You look so tired tonight. It is high time you.A. went to bedB. went to sleepC. go to bedD

问题补充：

You look so tired tonight. It is high time you.

A. went to bed

B. went to sleep

C. go to bed

D. to sleep

答案：

(答案→)A. went to bed

B. went to sleep

C. go to bed

D. to sleep

解析：本题是虚拟语气的考查。It is(hi曲)time that后接的从句中谓语动词需用过去式。go to bed是固定用法。