题目内容
【题目】
You must keep on working in the evening, you are sure you can finish the task in time.
A.as
B.if
C. when
D. unless
【答案】D
【解析】句意:你必须晚上继续工作,除非你保证能按时完成任务。unless 除非,如果不。
![](http://thumb.zyjl.cn/images/loading.gif)
练习册系列答案
相关题目
题目内容
【题目】
You must keep on working in the evening, you are sure you can finish the task in time.
A.as
B.if
C. when
D. unless
【答案】D
【解析】句意:你必须晚上继续工作,除非你保证能按时完成任务。unless 除非,如果不。