For holidays, many people visit the Great Barrier Reef _____ the northeast coast of Australia, which has 700 islands.
Teenagers ________ their health because they play computer games too much.
Peter’ shirt looked just the same as Tom’s,but it cost ______ his.
We can’t figure out ______ quite a number of insects and birds are dying out.
______ environmental damage is done,it takes many years for the ecosystem to recover.
Spending a few hours learning about the history and culture of the destination will help tourists understand they're seeing