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。
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。