文语站

位置:首页 > 习题库 > 

Sometimestheywork

习题库1.15W

问题详情:

Sometimestheywork

Sometimes they work ___ the day and sometimes ___

night.

         A during , at  B. on , at     C. on , in

【回答】

A

知识点:介词和介词短语

题型:选择题