Wind power is an ancient source of energy ____we may return in the near future.
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A
on which
B
by which
C
to which
D
from which
推荐题目
Mo Yan has published dozens of novels, of _____some are very popular among Chinese readers, Red Sorghum, for example.
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A
those
B
whose
C
whom
D
Which
Helen was much kinder to her youngest child than she was to the others， ，of course，made the others jealous．
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A
who
B
that
C
which
D
what
— How do you like Guilin?— It is the most beautiful place ______ I have ever been to.
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A
where
B
which
C
that
D
what