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初二英语的同义句转换和填空题

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初二英语的同义句转换和填空题
 
1 has been open
2 has been away since
3 joined ,ago
4 It's ,since
5 been in ,one day
1 since
2 for
3 for
4 since
5 for ,since
分析
for +一段时间
since +过去的时间点/从句