【题目】They saw many birds __________ in the tree yesterday. ( )
A.singB.sangC.singingD.sings
【答案】C
【解析】
略

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】
略
