This work order must be completed by Friday;( ), you may have to work late these days.
This work order must be completed by Friday;( ), you may have to work late these days.
A、unless
B、moreover
C、therefore
D、or
【正确答案】:C
【题目解析】:unless除非,如果不;moreover而且;therefore因此;or或者;根据句意这份工单必须在星期五之前完成;因此,这些天你可能要工作到很晚,故选C。
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