Conjunctive adverbs.
a. in addition
b.neverttheless
c.on the other hand
d.for instance
Nuclear accidents can happen.Therefore,nuclear power plants must have strict safety controls. 1)_______ solar heating systems are economical to operate.the cost of installation is very high.2)_________ burning fossil fuels causes serious damage to our planet.We need to develop other sources of energy.3)________ecologists know that burning fossil fuels causes holesin the ozone layer.People continue to do it.4)________all nations of the world must take action.Our children and grandchildren will suffer the conseguences.
2007-02-27
03:31:39
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3 answers
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Anonymous
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Education & Reference
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