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
Put the books back ________ they belong after you have finished them.
#74130
A
where
B
to where
C
to which
D
to the place
I wish for a family____________my parents are treating me like a friend.
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A
why
B
which
C
that
D
where
There is no doubt one who gets to the finishing line first will win the first prize.
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A
that
B
whether
C
if
D
what