Some researchers believe that there is no doubt _______ a cure for AIDS will be found.
#67941
A
which
B
that
C
what
D
whether
推荐题目
----Have you finished the book ? ----No, I’ve read up to _______ the children discover the secret cave. .
#67888
A
which
B
what
C
that
D
where
We’ll have to finish the work, ____.
#69414
A
no matter how long does it take
B
it takes however long
C
however long it takes
D
however it takes long
The teacher with his students _____ playing _____football at this tine yesterday.
#41205
A
was; the
B
is;the
C
were ;/
D
was; /
It was at the shopping center ______ Mary and I had an appointment ______ I lost my necklace.
#70244
A
where；that
B
when；that
C
where；when
D
that；where