作业帮Our country has changed greatly since1976(改为一般疑问句）
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Our country has changed greatly since1976(改为一般疑问句）
Our country has changed greatly since1976(改为一般疑问句）
Our country has changed greatly since1976(改为一般疑问句）
Has our country changed greatly since 1976?
带 have/has 的句子变成一般疑问句有两种:
1 Has our country changed greatly since 1976?
2 Does our country have changed greatly since 1976?
Has our country changed greatly since 1976?
What happens to your country since 1976?