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(1) GWD-26-Q20In 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 答案选的是B。(1)我在想这里用的过去完成式是正确的么,不对吧,没有什么根据去选过去完成时吧, (2)C选项答案给的解析是six hours a week 应该是个整体,所以谓语动词应用单数形式,这个怎么判断什么时候是整体什么时候不是呢 |
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