问题描述：
超难英语语法（初三） 写理由
1.In the past few years there ____ great changes in my home town
A.have been B.had been C.were D.are
2.He's already back to Australia,____?
A.isn't he B.hasn't he
1.In the past few years there ____ great changes in my home town
A.have been B.had been C.were D.are
2.He's already back to Australia,____?
A.isn't he B.hasn't he
问题解答：
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