I need a good grade in grammar so please check my answers!

Question

Identify the object of the preposition in each of the following
sentences.
1.
Ashley and her father arrived
home from work.
a.
and
b
. father
c.
from
d.
work
2.
Ashley’s bedroom was
across the hall.
a.
bedroom
b.
was
c.
hall
d.
across
3.
Ashley put her journalism books in
the new bookcase.
a.
bookcase
b.
put
c.
new
d.
in

Read each of the following sentences. Is there a mistake?

4.
Around five o’clock Ashley’s father called her for dinner.
a.
Add a comma after o’clock.
b.
Change Ashley’s to Ashleys’
c.
Change calls to call
d.
Correct
5.
Ashley, of course, washed her hands and went right into the kitchen.
a.
Change washed to washing.
b.
Take away the comma after Ashley.
c.
Add a comma after right.
d.
Correct
Check My Answers.
1.C 2.D 3.D 4.A or D(not sure) 5. B or D(not sure)

Answer 1

1 and 3 are wrong. Use this list to find prepositions.

http://www.englishclub.com/vocabulary/prepositions-list.htm

4. A

5. D

Answer 2

thank you but I'm still confused on 1 and 3 could you explain why its not from and in.

Answer 3

In question #1, "from" is the preposition. The object of a preposition is either a noun or pronoun, so in this sentence the object of the preposition "from" is work.

In question #3, the objecti of the preposition is bookcase.