Yesterday morning there was about 2 or 3 feet of snow on the ground and I remembered he shoveled my driveway for me when I was out on a business trip last winter.
昨天早上，地上有大约两三英尺厚的雪，我记得去年冬天我出差的时候，他帮我铲除了车道上的积雪。
This morning when I got up at about seven, it suddenly occurred to me that I might have left those pages of my student's thesis at the river side yesterday!
今天早上七点多起床后，突然想起来好像不记得昨天离开河边是否把学生的论文放回了书包。
This morning when I got up at about seven, it suddenly occurred to me that I might have left those pages of my student's thesis at the river side yesterday!
今天早上七点多起床后，突然想起来好像不记得昨天离开河边是否把学生的论文放回了书包。
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