I packed _____ sandwich for lunch before leaving for school.
A — “Sandwich” begins with a consonant sound.
5
We waited for _____ hour before the bus finally arrived.
An — “Hour” begins with a vowel sound because the h is silent.
10
She wants to become _____ engineer after she graduates from college.
An — “Engineer” begins with a vowel sound.
15
Is this sentence correct? “He gave an presentation about climate change.”
No. It should be: “He gave a presentation about climate change.”
20
The class took _____ unexpected quiz after watching _____ documentary.
an / a “Unexpected” begins with a vowel sound; “documentary” begins with a consonant sound.
25
Which sentence is correct? A. She had a unusual idea. B. She had an unusual idea. C. She had an unusually idea.
B. She had an unusual idea.
20
My brother hopes to attend _____ university and eventually earn _____ advanced degree.
a / an “University” begins with a /y/ consonant sound (“you-niversity”), while “advanced” begins with a vowel sound.
15
Correct the two mistakes: “We had a emergency, so it took an few minutes to explain what happened.”
“We had an emergency, so it took a few minutes to explain what happened.”
10
The student gave _____ honest answer when the teacher asked why he had missed _____ assignment.
an / an “Honest” begins with a vowel sound because the h is silent, and “assignment” begins with a vowel sound.
5
Choose a or an: “My uncle works as _____ FBI agent.”
An — “FBI” is pronounced “eff-bee-eye,” so it begins with a vowel sound.
10
Fill in all three blanks: We saw _____ one-eyed dog beside _____ empty building while taking _____ afternoon walk.
a / an / an “One” begins with a /w/ sound (“won”), while “empty” and “afternoon” begin with vowel sounds.
15
Correct every a/an mistake: “After an long meeting, our principal made a important announcement about an new after-school program.”
“After a long meeting, our principal made an important announcement about a new after-school program.” Key rule: Choose a or an based on the SOUND that follows