A【2015·东北三校第一次联考】
“Paul must have been trying to carry his waste paper to garbage can and dropped a few pieces.” I 1 , picking them up.2 later I found more pieces.No quiet sighing this time.I 3 , ‘‘Who is throwing garbage?” No answer.Instead, I saw more bits of paper silently floating 4 from upstairs. Looking up, I saw my seven-year-old son, Paul.
