GWD-26-Q20 3 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 8月JJ有此题, GWD中答案是B . 可是B不仅时态不对,而且和前句之间也没有连词啊. 而且E没有错啊, 独立主格结构. 盼NN们解答. 多谢! 下周考,急 |