标题: a question [打印本页] 作者: monica 时间: 2002-10-14 16:15 标题: a question
Since 1986 enrollments of African Americans, American Indians,and Hispanic Americans in full-time engineering programs in the United States (has steadily increased,while the number of other students who enter the field has fallen.)
(c) increased steadily,while there was a decline in the number of other strdents entering the field.
(d) have steadily increased,while the number of other students entering the field has fallen.
which one is correct?作者: peter 时间: 2002-10-14 16:22
Of the three selections,d is the best.作者: zyh79 时间: 2002-10-14 16:40