All that can be eaten ____ eaten up.A．arebeingB．hasbeenC．hadbeenD．havebeen
题型：不详难度：来源：
All that can be eaten ____ eaten up.| A．arebeing | B．hasbeen | C．hadbeen | D．havebeen |
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答案
| B |
解析
| 主语“all”指的是“food”，所以代不可数名词，是第三人称单数。 |
举一反三
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