He has made another wonderful discovery, _____ I think is of great importance to science.
#77865
A
which
B
what
C
when
D
that
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I saw a boy in the supermarket yesterday, reminded me of my good friend.
#77105
A
that
B
who
C
where
D
which
Harry Potter lives and studies in a world _________ anything can happen, ______ attracts millions people.
#77513
A
where, which
B
to which, that
C
that, which
D
on which, that
I wish to thank Professor Smith, without _______help I would never have got this far.
#76856
A
who
B
whom
C
whose
D
which
When deeply absorbed in work，________he often was，he would forget all about eating or sleeping.
#75247
A
that
B
which
C
where
D
when