Without facts, we cannot form a worthwhile opinion for we need to have a factual knowledge ________ our thinking.
#77320
A
which to base on
B
which to be based on
C
on which to be based
D
on which to base
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Care of the soul is a gradual process _____even the small details of life should be considered.
#77997
A
what
B
in what
C
which
D
in which
He liked to go to dances and parties, ______ he could have a good time just sitting and watching.
#77360
A
where
B
when
C
which
D
why
There came a point in his life ______ he had to think seriously about his future．
#78170
A
what
B
that
C
when
D
which