28. I don’t think you’ve quite___the seriousness of the situation. You seem to know nothing about it.
In winter, the town is often ______ by snow.
Martin’s gone to ______ the children from school.
______ the ______ of buying a house, it costs little to rent a house.
The volunteers try to convince people _____ the fact that some species are in danger of _____.
Across the river _____.