爱吃牛蛙的鱼
1.They advance to complete the task2.They completed the task three days in advance / Delay of three days to complete the task3.Meeting held two days ahead of schedule / Postpone the meeting held two days4.Three days in advance to return to Shanghai / He postponed three days returned to Shanghai5.Them in advance the number of days to complete the task / They postponed the number of days to complete the task从翻译工具翻译出来的，仅供参考！
剪刀手七七
They fulfilled the task in advanceThey advance three days/delay 3 days to finish the task.The meeting held two days in advance/delay at 2 days.His early 3 days back to Shanghai/put off 3 days back to Shanghai. They advance/delayed how many days to finish the task?我从有道词典找到的，仅供参考
小蟠桃儿
We finished the task ahead of schedule. Over the past decade,our city environment has been much improved.
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