题干

We have _____ the book for a month. It’s time to ______ to the library.
A.kept, return it backB.borrowed, return it
C.kept, return itD.borrowed, return it back
上一题 下一题 0.65难度 单选题 更新时间:2019-04-23 10:04:43

答案(点此获取答案解析)