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
When asked _____ they need most, the kids said they wanted to feel important and loved.
#67832
A
what
B
why
C
whom
D
which
All the universities have duty to _______ their students ____of the quick development of the scientific world.
#69447
A
make; known
B
have; understood
C
keep; informed
D
find; included
一Andrew got injured in the sports meet last week．一Would it be at least a fortnight he could recover and return to class?
#70643
A
when
B
that
C
since
D
before
There’s little doubt _____ we will _____ the game.
#73970
A
that , win
B
whether , win
C
whether , beat
D
that , beat