He made another wonderful discovery, _______________ of great importance to science.
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A
which I think is
B
which I think it is
C
which I think it
D
I think which is
推荐题目
The children parents are away working in cities are looked after well.
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A
which
B
whose
C
that
D
who
After living in New York for 30 years, he returned to his hometown ______he was brought up by his uncle.
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A
which
B
where
C
that
D
when
Many children, _________ parents are away working in big cities, are taken good care of in the village.
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A
their
B
whose
C
of whom
D
with whom