___________ caused the accident is still a complete mystery.
#73942
A
What
B
That
C
How
D
Where
推荐题目
He’s got himself into a dangerous situation ____ he is likely to lose control over the plane.
#68400
A
where
B
which
C
while
D
why
—What made the applicant so anxious? —_____ he will get a job interview tomorrow．
#68542
A
That
B
Because
C
Since
D
When
We’ve made up our mind to finish this experiment no matter ___ difficult it was.
#71579
A
what
B
when
C
how
D
how much
(2013·沈阳重点中学协作体高三预测)I just wonder ________ that makes him so excited.
#67341
A
why it is
B
what is it
C
how it is
D
what it is
I’ve got a message from the head teacher ______ the English exam won’t be held tomorrow.
#68439
A
why
B
whether
C
that
D
which