Was it in the garden ____ we used to work in ____ the famous actors and actresses had a picnic?

It was with great courage _______ the boy told the truth ______ he had stolen the money.

It was only then ______ I began to have doubts about whether my story had ever been told.

It was my sister        first had the idea to cycle along the river. 

 David said that it was because of his strong interest in literature ________ he chose the course.