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标题: 求助各位高人为小弟指点GWD上的一道考题！！ [打印本页]

作者: mcyuyu 时间: 2005-5-15 22:51
标题: 求助各位高人为小弟指点GWD上的一道考题！！

GWD最新题1套的32题：正确答案是啥and为啥？主句是否要加would? 这里的have是不是助动词？比较句than后是否加do？

To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

have to know a great deal more than now about the social and economic

have to know a great deal more than they do now about the social and economical

would have to know a great deal more than they do now about the social and economical

would have to know a great deal more than they do now about the social and economic

would have to know a great deal more than now about the social and economical

作者: 蓝夕叶子 时间: 2005-5-15 23:00
标题: 求助各位高人为小弟指点GWD上的一道考题！！

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