As is recorded in history, silkworms（蚕）were first raised by a woman in _________ is today Hebei Province．
#74069
A
where
B
the place
C
which
D
what
推荐题目
in the regulations that you should not tell other people the password of your e-mail account.
#72904
A
It requires
B
It is required
C
What requires
D
What is required
The thought of going back home was_______kept him happy while he was working abroad．
#72989
A
that
B
all that
C
all what
D
Which
This is the best film ___ have ___seen.
#71739
A
that, never
B
which, ever
C
that I , ever
D
which I , ever
She is the only one of the students _______ able to answer this question.
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A
who is
B
who are
C
that is
D
that are
(2013·山东卷)There is no simple answer，________is often the case in science.
#66743
A
as
B
that
C
when
D
where