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
I am_____ to learn that Picasso produced more than 20,000 pieces of art ___ he wasn’t just a painter.
#93921
A
amazing ; and that
B
amazed ; that
C
amazed ; and that
D
amazing; and
——He ought ot have been warned of the danger.——____, but he wouldn’t listen to me.
#94809
A
yes, he ought to
B
So he was
C
So was he
D
So it was with him
The reason _____ he was driving his car so fast was _____ he would be late.
#92999
A
because, that
B
why, because
C
for which, that
D
that, that
I ________ myself more—it was a perfect day.
#91903
A
shouldn’t have enjoyed
B
needn’t have enjoyed
C
wouldn’t have enjoyed
D
couldn’t have enjoyed
As we all know，dark glasses can ________ the eyes from strong sunlight.
#92444
A
prevent
B
care
C
help
D
protect