1 . 下雪天学校提前送孩子们回家。
The little children are sent home from school________ a snowy day.
The little children are sent home from school
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2 . ---Has the train arrived?
---No, it all will be late ________ half an hour.
---No, it all will be late ________ half an hour.
A.at | B.for | C.in | D.by |
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3 . ________ quite recently, most mothers in Britain did not take paid work outside the home. (用适当的词填空)
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