Some researchers believe that there is no doubt___ a cure for AIDS will be found.
#74636
A
which
B
that
C
what
D
whether
推荐题目
They will telephone the police and complain about it the noise .
#41174
A
if; stops
B
unless; stops
C
if not; stops
D
unless; doesn’t stop
The notice came around two o’clock in the afternoon _______ the meeting would be put off.
#67993
A
when
B
that
C
whether
D
how
These examples show that all individuals， they are rich or poor，should be responsible they are involved in law．
#69942
A
if；when
B
if；as long as．
C
whether；as long as
D
whether；since
Please remind me ______ he said he was going. I may be in time to see him off.
#69696
A
when
B
where
C
how
D
what