8.【单选题】物质的唯一特性是它的（）

The ____ was held in the brightly-lit greatly hall of the people.

The flight attendants are preparing dinner in the ____.

Please always ____ your seat belt when driving.

Take a deep breath and ____ yourself.

The ____ of the building is on the left.

Have you ____ your plan yet?

In most countries, liquor stores do not sell ____ to children under 18 years old.

Tables are set with china and gold-banded silver ____.

This is a ____ subject so please talk about it carefully.

Due to emergency, we have to ____ the meeting to a later time.