We arrived at the airport. We realized our passports were still at home.
A. It was until we arrived at the airport that we realize our passports were still at home.
B. We arrived at the airport and realized that our passports are still at home.
C. Not until had we arrived at the airport, we realized our passports were still at home.
D. Not until we arrived at the airport, did we realize that our passports were still at home.

I did not read his book. I did not understand what the lecturer was saying .
A. What the lecturer wrote and said was too difficult for me to understand.
B. I found it very difficult to understand what the lecturer said in his book.
C. I would have understood what the lecturer was saying if I had read his book.
D. The lecturer's book which I had not read was difficult to understand.

It was an interesting novel. I stayed up all night to finish it.
A. I stayed up all night to finish the novel so it was interesting.
B. Unless it were an interesting novel, I would not stay up all night to finish it.
C. Though it was an interesting novel, I stayed up all night to finish it.
D. So interesting was the novel that I stayed up all night to finish it.

A. officialdom B. millennium C. westernize D. division

A. geographical B. Aborigine C. expedition D. Australian

A. survival B. industry C. endangered D. commercial

A. footsteps B. superstitious C. melancholy D. forceful

A. mutually B. apologize C. permission D. reaction

The word “it” refers to _________.
A. hinterland B. account C. connection D. primacy

The word “functional” is closest in meaning to _________.

A. alternate B. useful C. original D. usable