Confusing Words historic, economic, quit, assist, lay

This ________ event had very bad consequences for Romans.

I have been doing some _______ research.

My __________ teacher is a young beautiful woman.

Masked ball means that you should dress the same as a __________ figure.

___________ development is important for our company.

The country has been in a very poor ___________ state ever since the decline of its two major industries.

However, as we shall see, the veteran journalist was being more than just a little __________ with the truth.

There's increasing demand for cars that are more ________ on fuel.

The gas fire was turned low for reasons of _________ .