Scientists still wonder ______ cloning will help or harm us and _____ it is leading us.
#68782
A
that; what
B
whether; where
C
if; that
D
whether; how
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The topic, _______ we devoted a heated discussion last night, is a hot issue at present.
#67312
A
which
B
where
C
to which
D
for which
It is obvious _________ he has known the news and he is very satisfied with the result.
#69121
A
which
B
that
C
what
D
whether
Many of the animals in Rowling’s word are not real, and much of______happens is strange.
#74113
A
which
B
that
C
what
D
it