问题
选择题
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
A．which
B．what
C．that
D．whether
答案
答案：C
考查句型：there is no doubt that 毫无疑问做某事，故选C。
搜题请搜索小程序“爱下问搜题”
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
A．which
B．what
C．that
D．whether
答案：C
考查句型：there is no doubt that 毫无疑问做某事，故选C。
