His failure made him aware ___ he had made a great mistake in working out the plan.
#70120
A
of that
B
of
C
that
D
that of
推荐题目
If she ______ well in her exams, she will go to Beijing University in September.
#41273
A
did
B
does
C
is doing
D
will do
___ he was ill, I was expected to take his place greatly surprised me for I didn't have much working experience.
#73288
A
If
B
That if
C
That
D
If that
I think the biggest problem in banning smoking is ______ people can buy cigarettes easily.
#67054
A
that
B
whether
C
where
D
how