题目内容
According to the survey, modern industry_____ quickly in developing countries in the past half century.
- A.develop
- B.has developed
- C.had developed
- D.developed
B
考查时态题。根据时间状语in the past half century可知,应用现在完成时。
考查时态题。根据时间状语in the past half century可知,应用现在完成时。
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