试题 试卷
题型：单选题 题类：常考题 难易度：普通
仁爱科普版七年级下Unit 5 Our school life Topic 2 A few students are running around theplayground.同步练习
—Oh, I'm so sorry. I was so busy in working that I forgot.
—I helped my uncle ________ some strawberries on his farm and sold them.
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