(·辽宁五校二模)—Mum can I watch the TV program for another twenty minutes?—Sorry dear it'

问题补充：

(·辽宁五校二模)—Mum, can I watch the TV program for another twenty minutes?

—Sorry, dear, its time you to bed.

A. went

B. go

C. will go

D. must go

答案：

(答案→)A. went

B. go

C. will go

D. must go

解析：选A考查虚拟语气。在Its (high) time that ...句型中，从句的谓语通常用一般过去式或“should＋动词原形”(should不可省略)，故A项正确。