1）如果划线的是 Three 就是 How many years
如果划线的是 Three years 就是 How long
2） I have been working in this university for 3 years.
3) Tom has been collecting stamps since he was ten years old.
1.She has been skating for three years.(就划线部分提问）
1.She has been skating for three years.(就划线部分提问）
————————has she been skating?
2.have been,this university,for,I,working,in,3 years.(连词成句)
3.TOM从10岁就一直在集邮.
TON--------------stamps since he was ten years old.
————————has she been skating?
2.have been,this university,for,I,working,in,3 years.(连词成句)
3.TOM从10岁就一直在集邮.
TON--------------stamps since he was ten years old.
英语人气：245 ℃时间：2019-08-19 01:23:12
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