In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and         the possibility of a second earthquake in this area.

Nowadays, most young people enjoy ______ on the Internet.

 _______ Peter, Gary _______ football, so he is _______ to watch the football match tomorrow. 

An early typewriter produced letters quickly and neatly; the typist, _____ couldn't see his work on his machine.

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