Is it only when you fail _________ you will be aware of your mistakes?
#85051
A
that
B
and
C
or
D
unless
推荐题目
It was last night ________ I saw the comet.
#84749
A
the time
B
when
C
that
D
which
________she is not so healthy _______she used to be?
#85321
A
Why is it that; what
B
Why it is that; that
C
Why is it that; as
D
Why it is that; who
Who was it _____ saved the drowning girl?
#85531
A
since
B
as
C
that
D
he