Shewentupstairstoseeifhewasstillasleep

问题详情：

She went upstairs to see if he was still asleep_________

A. at one time          B. now and then

C. in the same time      D. behind the time

【回答】

【解析】选B。考查短语辨析。句意：她不时地到楼上去看看他是否仍在睡觉。at one time过去曾经；now and then时常地；in the same time在……同时；behind the time不合时宜。故选B。

知识点：词组 短语

题型：选择题