Question

新概念英语1练习题，130课，求帮助，谢谢！（做标注的题）

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Answer 1

1. must have been 2had to 3must has been 4 had to5 had to 6must have been 

   
   

追问

谢谢！下一道题可以做么

追答

2.I dont think she was . She cant have been Finnish.She must have been Russian
4.I dont think they were.They cant have been butcher.They must have been bakers
7I dont think she was ,She must have been twenty-one
11 I dont think it was.Yesterday must have been 16th
后两题不太确定的说

追问

没事，谢谢！