Criticism and self-criticism _____ necessary _____ it helps us to correct mistakes.
#34547
A
is, in that
B
are, in that
C
is, in which
D
are, at that
推荐题目
. What the doctors really doubt is ______ my mother will recover from the serious disease soon.
#34555
A
when
B
how
C
whether
D
why
All the dishes in this menu， _____ otherwise stated， will serve two to three people.
#79929
A
as
B
if
C
though
D
unless
--What’s your idea?--My opinion is _____, ______ happens, we should not stop the reform.
#30159
A
when; what
B
that; when
C
that; whatever
D
when; what