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They saw many birds in the tree yesterday. ( )A.singB.sangC.singingD.sings

编辑:chaxungu时间:2026-04-11 01:05:46分类:小学英语题库

【题目】They saw many birds __________ in the tree yesterday. ( )

A.singB.sangC.singingD.sings

【答案】C

【解析】