A survey was carried out on the sleep time of students in middle schools, ______

题干

A survey was carried out on the sleep time of students in middle schools, ______ were surprising.

A．its results

B．whose result

C．the results of which

D．of which results

上一题下一题 0.85难度单项选择更新时间:2011-03-12 02:36:42

小学学科试题库

初中学科试题库

高中学科试题库