—May I smoke here? —If you _____, choose a seat in the smoking section.
It was along the Mississippi River _________ Mark Twain spent much of his childhood.
In 1938, Hitler _________ war against Poland, which started the Second World War.
A serious earthquake struck the village, __________ many people homeless.
The old woman _____ her sons and daughters _______ and see her soon.
The pretty girl is always busy helping her mother with the housework _________ I go to visit her family.