He made another wonderful discovery, ____ of great importance to science.
#69957
A
which I think is
B
which I think it is
C
which I think it
D
I think which is
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This is the book I bought yesterday , ______I spent 8 yuan .
#74142
A
on which
B
for which
C
in which
D
at which
 I don’t know if he_______ tomorrow. If he _______, I will call you.
#41155
A
will come; will come
B
will come; comes
C
comes; will come
D
comes; comes