单项选择题

New volcanoes may appear () people do not expect them to be.

A.whenever and wherever
B.when and where
C.whatever and wherever
D.in when and where

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单项选择题
Animals can only survive()the living environment is similar to the earth.

A.which
B.whose
C.what
D.where
单项选择题
Paracutin was the first volcano in the world which was seen from its birth () the present day.

A.to right up
B.up right to
C.right up to
D.right to up
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