帮个忙用since,for,have gone,have been填1.We have learned five lessons__the beginning of this term.2.Mrs Liao has been in hospital__last week.3.I have stayed at my aunt's___two weeks.4.Where are the boy students?They___to the library.5.Is your fa
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帮个忙用since,for,have gone,have been填1.We have learned five lessons__the beginning of this term.2.Mrs Liao has been in hospital__last week.3.I have stayed at my aunt's___two weeks.4.Where are the boy students?They___to the library.5.Is your fa
帮个忙用since,for,have gone,have been填1.We have learned five lessons__the beginning of this term.
2.Mrs Liao has been in hospital__last week.3.I have stayed at my aunt's___two weeks.4.Where are the boy students?They___to the library.5.Is your father in?No,he__to Shenzhen.___he ever ___there befor Yes,he___there several times.6.I want to go to Shanghai for a visit because I___never____to that city before.
帮个忙用since,for,have gone,have been填1.We have learned five lessons__the beginning of this term.2.Mrs Liao has been in hospital__last week.3.I have stayed at my aunt's___two weeks.4.Where are the boy students?They___to the library.5.Is your fa
1 since
2 since
3 for
4 have gone
5 has gone , Has , been, has been
6 have , been
分析
for +一段时间
since +过去的时间点
have gone to 人不在这里,去了某地了（ 后接副词时省略TO
have been to 曾经到过……（ 后接副词时省略TO）
祝你假期愉快!加油!不明白再问!如果帮到你,请采纳,谢谢!
1 since 2 since 3 for 4 have gone 5 has gone has been has been 6 have been
分析
for +一段时间
since +过去的时间点
have gone 已经去了（没回来）
have been 已经去过（回来了）
祝你暑假快乐！