大师作文网They have been collecting shells for there years.（改为同义句）
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They have been collecting shells for there years.（改为同义句）
Has Tom been skating for hours?(做否定回答）
My mother has been collecting stamps for about ten years.(向画线句子提问）
Has Tom been skating for hours?(做否定回答）
My mother has been collecting stamps for about ten years.(向画线句子提问）
1.They have been collecting shells since three years ago.
2.No,he hasn't.
3.What has your mother been collecting for about ten years?
不明白的再问哟,请及时采纳,多谢!
2.No,he hasn't.
3.What has your mother been collecting for about ten years?
不明白的再问哟,请及时采纳,多谢!
They have been collecting shells for there years.（改为同义句）
Have you been collecting shells for five years?做否定句
I have been collecting shells for three tear and a half同义句转换
They have been friends for 6 years. 改为同义句 They have been fri
We have been collecting stamps for five years.(同义句转换）
I have been collecting shells for three years.和 I have colle
they have been away for six years如何改为同义句 six years ____ ____
They have been staying chinese culture for many years,改为同义句
they have been collecting stamps for 10 years
They have been married for 15 years 同义句
Mr and Mrs Brown have been married for only two years(改为同义句）
①We have been learning English for three years.(改为同义句）