Nobody knows for sure what effect the global warming have ______ our environment in the long term.
#26648
A
of
B
with
C
for
D
on
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Scientists are convinced the positive effect of laughter physical and mental health.
#28244
A
of; at
B
by; in
C
of; on
D
on; at
Although some people expressed their disagreement at the meeting, most of them were _____ the reform.
#25767
A
in need of
B
in memory of
C
in favour of
D
in honour of