The language training programme ______ teenagers who want to go abroad to study.
It is thought that one billion people I the world, ______is half the word’s workers, earn their living by farming.
—Hold the ladder for me! —That’s ______
I think I was at school, ______I was staying with a friend during the vacation when I heard the news.
There were two boys in the lab, ______did the experiment successfully.
After the new technique was introduced the factory produced cars in 1994 as the year before.