After introducing the new technique, the automobile factory produced ________________ cars in 2010 as the year before. 

The two parties held the talk in a friendly ________ and reached an agreement.

When he realized the audience’s attention was beginning to ___, he raised his voice. 

To our surprise, the missing suitcase ______, completely empty, near our office building the next morning.

I’d like to buy a house --- modern, firm, comfortable, and ________ in a quiet neighbor-hood.