The famous scientist was going out _____ he found himself surrounded by lots of young people

_________ more and more forests damaged, some animals and plants are facing the danger of dying out.

The tall man ____ wears a new coat is our new Englishteacher, isn’t he

The light in his room is still on. Do you know _________— To prepare for the coming exam, I think.

One-third of the country ______ covered with trees and the majority of the citizens ______ black people.