It’s high time that something, ____ to prohibit selling fake commodities. ( 章节：2 难度：2)
- A、must be done
- B、was done
- C、be done
- D、were done
正确答案:B
答案解析:有
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It’s high time that something, ____ to prohibit selling fake commodities. ( 章节：2 难度：2)
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