标题: 求教一道语法题题目，求教各位大神啊！ [打印本页] 作者: 10nianyilunhui 时间: 2014-11-7 13:40 标题: 求教一道语法题题目，求教各位大神啊！ 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;by1997 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
