It is these poisonous products ______can cause the symptom of the flu, such as the headache and aching muscles.
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A
who
B
that
C
how
D
what
推荐题目
It was not until Susan came back ______her close friends were waiting for him.
#84823
A
which she knew
B
which did she know
C
that she knew
D
that did she know
It was the building of the rail network from the west to the east coast ________ brought even larger numbers to California in the 1860s.
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A
that
B
what
C
how
D
which
—Have you seen the film Where are we going，Dad?—Yes，I have．I heard that it was in five days_________ it was made．
#84723
A
that
B
when
C
which
D
where
I wonder _______ there are so many natural disasters across the world in 2010.
#84725
A
why is it
B
it is why that
C
why is it that
D
why it is that
Is it, in your opinion, possible new measures will be taken to improve the terrible traffic?
#85167
A
whether
B
that
C
when
D
what