I had too much work to do last night. I didn’ t go to be Wap版

试题详情及答案解析: I had too much work to do last night. I didn’ t go to bed __11 o' clock .
A.in B.until C. For.; 答案：B; 试题分析：句意：昨晚我有太多工作要做。直到11点我才睡觉。not …until直到…才。结合句意，故选B
考点：考查介词的用法。