4. The director gave me his ________ that he would double my pay if I did my job well.
A) warrant
B) obligation
C) assurance
D) certainty ?

5. The Christmas tree was decorated with shining ________ such as colored lights and glass balls.?
A) ornaments
B) luxuries
C) exhibits
D) complements ?

6. The two most important ________ in making a cake are flour and sugar .
A) elements
B) components
C) ingredients
D) constituents

7. Cultural ________ indicates that human beings hand their languages down from one generation to another.
A) translation
B) transition
C) transmission
D) transaction

8. We must look beyond ________ and assumptions and try to discover what is missing.
A) justifications
B) illusions
C) manifestations
D) specifications

9. No one imagined that the apparently ________ businessman was really a criminal.
A) respective
B) respectable
C) respectful
D) realistic

10. If nothing is done to protect the environment, millions of spedes that are alive today will have become ________ .
A) deteriorated
B) degenerated
C) suppressed
D) extinct