It was not until the teacher had explained it three times _______ how to work out the problem.
#92129
A
did he understand
B
had he understood
C
that he understood
D
that he didn’t understood
推荐题目
My father made me a promise ___ he would buy me a present if I got a good mark
#93029
A
when
B
which
C
that
D
if
The little boy who got lost decided to remain _____ he was and waited for his dad．
#93969
A
what
B
where
C
there
D
what
In his lecture, the professor referred to the belief, in contrast to all other countries, ______the elderly are wise, ______is particularly dominant in the Chinese culture．
#93039
A
that; one that
B
that; that
C
which, which
D
that; one
—These days, he has stayed up late into night in order to get good marks in the following monthly test.---It’s no ____ that he seems tired and asleep in class every day.
#93078
A
wonder
B
problem
C
doubt
D
question
.The President said to the public, “________ hoped that people in the area will recover from the terrible earth quake soon.”
#94178
A
This is
B
There is
C
That is
D
It is