With modern equipment，many mysteries have ____ to light in recent years.

Yao Ming is generally ________ as the best basketball player in the world.

—Will $ 2,000 _______ the cost of the trip? —I’m afraid not. Perhaps I need another $500.   

1. In this factory, suggestions often have to wait for months before they are fully _____.

Nowadays, most young people enjoy ______ on the Internet.