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
Modern technology has brought us so much convenience--we can now do many thingsThrough we call the Internet．
#34211
A
how
B
what
C
which
D
that
What a great weight I felt taken off my mind ________ I heard I had passed the College Entrance Examination!
#80203
A
while
B
the moment
C
until
D
before
Was it on a lonely island ________ he was saved one month after the boat went down？(2011·四川)
#29968
A
where
B
that
C
which
D
what
Sales director is a position ________ communication ability is just as important as sales skills.(2012·重庆)
#30499
A
which
B
that
C
when
D
where