#1 How is the comma used as an interrupter in this sentence?
The large, hushed crowd moved noiselessly away when they heard the bad news.
a. Appositive
b. direct address
c. parenthetical expression
d. summary
e. two adjectives before a noun
#2 How is the comma used as an interrupter in this sentence?
Who, in your opinion, won the battle of Waterloo?
a. Appositive
b. direct address
c. parenthetical expression
d. summary
e. two adjectives before a noun
How is the comma used as an interrupter in this sentence?
#3 Sally, when do you think you're going to get the pizza?
a. Appositive
b. direct address
c. parenthetical expression
d. summary
e. two adjectives before a noun

#4 How is the comma used as an interrupter in this sentence?
If this car, an old junkheap, ever starts, we will go!
a. Appositive
b. direct address
c. parenthetical expression
d. summary
e. two adjectives before a noun

#5 How is the comma used as an interrupter in this sentence?
Teflon®, a nonstick coating material, is a chemical cohesion.
a. Appositive
b. direct address
c. parenthetical expression
d. summary
e. two adjectives before a noun

#6 How is the comma used as an interrupter in this sentence?
Joe, the coach, is sick.
a. Appositive
b. direct address
c. parenthetical expression
d. summary
e. two adjectives before a noun