China began to open to the outside world in the late 1970s. _________, there have been great changes...
2023-02-04 15:07:20 194次 2013-2014学年江苏省教育集团树人学校九年级上学期期末考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
China began to open to the outside world in the late 1970s. _________, there have been great changes in the country.
A. By then B. As a result C. At last D. In all
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