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
----What did he want to know,Anne?-----_______I could finish writing the report.
#85517
A
When was it
B
It was when that
C
It was when
D
When it was that
        made her ashamed of herself?the lowest mark in her class.
#84661
A
What;Because she got
B
Was it what;Getting
C
What was it that;She got
D
What was it that;Getting
It was in the lab ­______ was taken charge of by Pro. Harris ______ they did the experiment.
#85280
A
which; where
B
that; which
C
whom; that
D
which; that