高等继续教育 / 高级英语I
正确率:100%
题型描述: 单选题
If we all set ___ work, we can fulfil our plan ahead of schedule.
A.to
B.up
C.down
D.off
If we all set ___ work, we can fulfil our plan ahead of schedule.
A.to
B.up
C.down
D.off
参考答案: