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?
不明白的再問(wèn)喲,請(qǐng)及時(shí)采納,多謝!
They have been collecting shells for there years.（改為同義句）
They have been collecting shells for there years.（改為同義句）
Has Tom been skating for hours?(做否定回答）
My mother has been collecting stamps for about ten years.(向畫(huà)線句子提問(wèn)）
Has Tom been skating for hours?(做否定回答）
My mother has been collecting stamps for about ten years.(向畫(huà)線句子提問(wèn)）
英語(yǔ)人氣：657 ℃時(shí)間：2019-08-22 11:57:29
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