The enthusiastic physician takes part in all community services. ________, he often provides his medical service to the neighborhood.
Many died from the diseases ______by the Europeans.
There is also a fierce debate over the question ______ human cloning experiments should be allowed.
Scientists still wonder whether cloning will help or harm us and where it ____ us.
— It’s such a pity. I didn’t get the first place in the exam. — Come on. __________
It would be unfair to clone any extinct animals they were to live in a zoo.