Not until recently _______ paid work outside the home.A．most mothers in Britain
题型：不详难度：来源：
Not until recently _______ paid work outside the home.| A．most mothers in Britain took | B．did most mothers in Britain take | | C．took most mothers in Britain | D．were most mothers in Britain taken |
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答案
| B |
解析
| 考查倒装句型。Not until放句首，应该用部分倒装，即把情态动词、助动词和be动词放到主语前。mothers和take是主动关系，故用主动。故选B。 |
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