He didn't tell us the truth elevent o’clock last night.A. untilB. unlessC. sinceD. for

问题补充：

He didn tell us the truth elevent o’clock last night.

A. until

B. unless

C. since

D. for

答案：

(答案→)A. until

B. unless

C. since

D. for

解析：这是考查not…until的用法。