19.They talked about things and persons ___ they remembered in the school.
Mother told her son that it would be half a year ______ she could come back from American.
Much to my _____, my family were all safe and sound in the fierce flood.
Some animals in _____ wild are now in ______ great danger of disappearing because of human activities.
--- Have you moved into the new house?--- Not yet. The walls ______.
---How could you say that?--- ______. I didn’t mean to hurt you.