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标题: GWD TN17中的一道语法题 [打印本页]
作者: ananfighting 时间: 2015-1-4 17:59
标题: GWD TN17中的一道语法题
题目:In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household chores; by 1997 they had spent nearly six hours a week.A. chores; by 1997 they had spent nearly six hours a week
B. chores; by 1997 that figure had grown to nearly six hours a week
C. chores, whereas nearly six hours a week were spent in 1997
D. chores, compared with a figure of nearly six hours a week in 1997
E. chores, that figure growing to nearly six hours a week in 1997
答案选B。看到好多解释,说A中的they不能指代children,因为是定向指代,这一点不懂。。
另外,B中的had grown 可以吗?前面的spent是过去时,这个是过去完成时,没有问题吗?
恳请回答,感谢!
作者: 287151319 时间: 2015-1-5 00:26
they指代children是1981年的children,到1997年他们就不是children了,这里想比较的是1981年的children和1997年的children。
两个句子时态不影响,前面描述的过去的事件用过去时。后面表示从1981到1997年为止,对于现在来说是过去的过去,出现了两个时间点,所以用过去完成时。
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