【题目】They could help them. (改为否定句)
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【答案】They couldn’t help them.
【解析】
略
编辑:chaxungu时间:2026-04-28 11:49:14分类:小学英语题库
【题目】They could help them. (改为否定句)
_________________________________
【答案】They couldn’t help them.
【解析】
略