标题: 求助一道题目 [打印本页] 作者: megadreamer 时间: 2011-8-19 21:58 标题: 求助一道题目 The first detailed study of magpie attacks in Australia indicates that by the time they had reached adulthood, 98 percent of men and 75 percent of women born in the country have been attacked by the birds.
A. by the time they had reached adulthood, 98 percent of men and 75 percent of women born in the country have been attacked by the birds B. by the time they reach adulthood, 98 percent of men and 75 percent of women, who were born in the country, had been attacked by the birds C. by the time they reached adulthood, 98 percent of men and 75 percent of women born in the country had been attacked by the birds D. 98 percent of men and 75 percent of women that were born in the country were attacked by the birds by the time they reach adulthood (C) E. 98 percent of men and 75 percent of women who were born in the country, by the time they reached adulthood had been attacked by the birds作者: megadreamer 时间: 2011-8-19 21:58
答案是C。(prep语法笔记part2/159)作者: 杉爷 时间: 2011-8-19 22:05
赵丽语法讲过:过去完成时和过去时态同时出现。因为过去完成时表示的是过去的过去。 AB都是时态错误。 C前面是一般过去时,后面是过去完成时——时态正确。 至于DE,were born in the country——据此就可以排除。能用主动,不用被动。