Some researchers believe that there is no doubt ______ a cure for AIDS will be found.
#72535
A
which
B
that
C
what
D
whether
推荐题目
He is _______ here as he was at home. 
#74553
A
almost as happy
B
as happy almost
C
as almost happy
D
almost happy as
There aren’t many seats left for the concert; you had better make sure ____ two today.
#72141
A
getting
B
to have got
C
that you get
D
that you will get