Employment costs rose 2.8 percent in the 12 months that ended in September, slightly less than they did in the year that ended in the previous quarter.
(A) less than they did
(B) less than it did
(C) less than they were
(D) lower than
(E) lower than they were 答案是A。 不懂为什么。我选的是C。 望各路NN们帮我答疑解惑啊， 在此先谢谢各位！作者: happyself 时间: 2011-5-22 12:30
遇到这种题目就还原。were后面省略了神马呢？显然是不对的。did代替的就是rose~作者: evelyn205205 时间: 2011-5-22 13:25
哦好吧~是我前面想得太多了~ 谢谢你的指点作者: happyself 时间: 2011-5-24 23:08