游客
题文

--With the _____________ of science and technology, people can talk with each other much more conveniently than before.
--But China is still a __________ country, people have to work hard to live a better life.

A.developed; developing; B.development; developed
C.development; developing D.developing; developed
科目 英语   题型 单选题   难度 容易
知识点: 比较介词
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