Question

All of the following common nouns except
a.emotion
b.leader.
c.tablet.
d.Kindle.
I am think D.
Singular or plural nouns
a.refer to whether a noun is singular or plural.
b.can usually be changed in number by adding or deleting -s or-es.
c.sometimes use the same form or both singular or plural.
d. I am think a but not sure.
All of the following choices uses articles correctly except.
a.a hour
b.an emblem
c. an hurricane.
d. an honor.
I am think d

Answer 1

Your first two answers are correct.

The last answer is wrong.

There are two wrong usages of articles in the last question.

Answer 2

All of the following choices use articles correctly except it own one.

Answer 3

a hour and an hurricane are both wrong.

http://dictionary.reference.com/browse/hour

http://www.aoml.noaa.gov/general/lib/defining.html

Answer 4

article helps you to know if a noun refers to a specific thing or to a general thing.
The definite article used to mark a noun that refers to a specific person,place,or thing.
Indefinite article the words a or an used to mark a noun that refers to a general person,place,or thing.

Answer 5

Yes.

Answer 6

https://www.englishclub.com/pronunciation/a-an.htm

Answer 7

http://www.englishclub.com/pronunciation/a-an.htm