It was really a experience. Afterwards everybody was very .
According to a UN report, some 844 animals and plants __________ in the last 500 years.
—Have you finished the book? —No. I've read up to __________ the children discover the secret cave.
When I opened the door, I found my father sitting in his chair, completely __________ in the humorous stories he was reading.
Before __________him, Icalled him __________.
In the past 100 years many species, as a result of human destruction to nature,__________ and many more __________ now.