The population of the earth（）increasing fast. One third of the population here（）workers.
- A、is;are
- B、is;hasbeen
- C、are;is
- D、is;was
正确答案:A
答案解析:有
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专升本英语
专升本英语
The population of the earth（）increasing fast. One third of the population here（）workers.
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