Some scientists believe that ________ is no doubt ________ a cure for AIDS will

题干

Some scientists believe that ________ is no doubt ________ a cure for AIDS will be found.

A．it; that	B．it; whether
C．there; that	D．there; whether

上一题下一题 0.64难度单项选择更新时间:2015-02-04 06:48:00

小学学科试题库

初中学科试题库

高中学科试题库