The machine is designed to _______ people recycle wastes to a great degree but the result still remains to be seen.
Water can absorb and __________ a lot of heat without big changes in temperature, thus creating a stable environment.
He can't go traveling very often as his work __________ almost all his time.
If he fails again, he will __________ us all __________ with him.
We had an anxious couple of weeks, __________ for the results of the experiment.
__________ such heavy pollution already, it may now be too late to clean up the river.