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careful with familiar with strict with pleased with
must begin may begin should have begun must have begun
on; with on; to over; with over; to
on; with on; to over; with over; to
must begin may begin should have begun must have begun
stop engine finished with engine dead slow ahead dead slow astern
We know how people began to use fire. Nobody knows how to make a fire. It was an Australian who started a fire. We are not sure how people started a fir
be on fire; set fire set on fire; set fire catch fire; set on fire catch fire; set fire
convection conduction radiation ventilation
locate the fire determine which type of fire is burning sound the alarm fight the fire
must begin may begin should have begun must have begun
on ; with on ; to over; with should
Not everybody knows how people began to use fire. Nobody knows how to make a fire. It is an Australian who started a fire. We are not sure how people began to use fire.
We know how people began to use fire. Nobody knows how to make a fire. It was an Australian who started a fire. We are not sure how people started a fire.
Not everybody knows how people began to use fire. Nobody knows how to make a fire. It is an Australian who started a fire. We are not sure how people began to use fir
Any one component can be eliminated to extinguish a fire Any two components must be eliminated to properly extinguish a fire Any three components must be eliminated to properly extinguish a fire Ali four components must be eliminated to extinguish any fire
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