The children talked so loudly at dinner table that I had to struggle ____.
—Did the policeman let you in?—No, ___ I told him who I was.
Young people today are living a much more comfortable life than their parents ___ several years ago.
He was about to leave ___ Tom arrived so he stayed a little longer.
Each statue is of a person who has made a ___ in American history.
The official ___ whom we applied ___ a permit was most warm-hearted.