It was said            was how the Chinese first raised silk worms.
#72116
A
that what
B
that which
C
that who
D
that that
推荐题目
Our club is open to adults only.________your children have entered without permission.
#73905
A
There seems that
B
It seems to be
C
There seems to be
D
It seems that
_______ in the school rules that boy students should not wear long hair.
#72293
A
What is required
B
What requires
C
It is required
D
It requires
The policeman asked ________ with the old women. 
#69893
A
what the matter was
B
what was the matter
C
what matter was
D
what was the wrong