It is so difficult a question_______ none of the kids could work it out.
#32787
A
as
B
that
C
which
D
X
推荐题目
The teacher told the student to go back ________ he sat.
#33167
A
to where
B
to which
C
the place where
D
where
. It’s a secret. Why don’t we go and talk about this somewhere quieter? _______, you know.
#34481
A
Once bitten, twice shy
B
Moneytalks
C
Walls have ears
D
Like father, like son
It was three years_______ he came back.
#31134
A
that
B
since
C
before
D
when