A well-known example of the large scale destruction of an ecosystem through vegetation removal to accommodate tourist facilities is the case of the _______.

So far scientists have only acquired ________ understanding of the physical processes that cause earthquakes.

In the last twenty years, breakthroughs in technology have _____ advanced the way we communicate, bringing us computers, cell phones and the Internet.

______ are the primary destinations for the Chinese at present.

______ the new plan can be carried out will be discussed at the meeting tomorrow.