Use ‘An’ before words that begin with vowel sounds (a, e, i, o, u).
➤ Example: an apple, an elephant, an umbrella

Use ‘The’ when talking about one special or known thing.
➤ Example: the sun, the sky, the teacher

Exercise – Fill in the blanks with a, an, or the

1. I saw ___ cat under the table.
2. She has ___ orange in her lunch box.
3. ___ moon shines at night.
4. He bought ___ new pencil.
5. We saw ___ elephant in the zoo.
6. ___ sun rises in the east.
7. This is ___ beautiful garden.
8. My father drives ___ car.
9. ___ Ganga is a holy river.
10. He ate ___ banana after lunch.
11. There is ___ bird on the tree.
12. I have ___ idea about this game.
13. We visited ___ Taj Mahal last Sunday.
14. She is reading ___ interesting story.
15. I saw ___ owl on the roof.
16. ___ teacher is writing on the board.
17. He has ___ red balloon.
18. We bought ___ umbrella because it’s raining.
19. ___ stars are twinkling in the sky.
20. My mother made ___ cake for me.
21. He found ___ egg in the nest.
22. ___ sky looks blue today.
23. She is holding ___ book in her hand.
24. ___ Himalayas are covered with snow.
25. I saw ___ ant on the floor.
26. ___ dog is barking outside.
27. We need ___ eraser to correct our work.
28. ___ earth moves around the sun.
29. He ate ___ ice cream after dinner.
30. ___ boy is playing with ___ ball.

.answer-key-box {
background: #f9fafc;
border: 2px solid #e0e0e0;
border-radius: 12px;
padding: 15px;
margin-top: 20px;
box-shadow: 0 2px 5px rgba(0,0,0,0.05);
font-family: ‘Noto Sans’, sans-serif;
}

.answer-key-title {
font-weight: 700;
font-size: 18px;
text-align: center;
margin-bottom: 12px;
color: #333;
}

.answer-key-grid {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 10px;
}

.answer-item {
background: #ffffff;
border: 1px solid #ddd;
border-radius: 8px;
padding: 6px 10px;
font-size: 14px;
color: #222;
box-shadow: 0 1px 2px rgba(0,0,0,0.05);
transition: all 0.2s ease;
}

.answer-item:hover {
background: #e8f5ff;
border-color: #42a5f5;
transform: scale(1.05);
}

.download-box {
text-align: center;
margin: 25px auto;
padding: 20px;
border-radius: 15px;
background: linear-gradient(135deg, #4CAF50, #2E7D32);
color: #fff;
width: 90%;
max-width: 400px;
box-shadow: 0 4px 10px rgba(0,0,0,0.2);
font-family: ‘Poppins’, sans-serif;
}

#download-btn {
background-color: #fff;
color: #2E7D32;
border: none;
padding: 12px 24px;
border-radius: 10px;
cursor: pointer;
font-size: 18px;
font-weight: 600;
transition: 0.3s;
}

#download-btn:hover {
background-color: #E8F5E9;
}

#countdown-box {
display: none;
margin-top: 15px;
font-size: 16px;
background: #f5f5f5;
color: #333;
padding: 12px;
border-radius: 10px;
}

function startCountdown() {
const btn = document.getElementById(“download-btn”);
const box = document.getElementById(“countdown-box”);
const countdown = document.getElementById(“countdown”);

btn.style.display = “none”;
box.style.display = “block”;

let timeLeft = 10;
const timer = setInterval(() => {
timeLeft–;
countdown.textContent = timeLeft;
if (timeLeft <= 0) {
clearInterval(timer);
window.location.href = "https://drive.google.com/file/d/1Td3fG4zSznOCOnFo-z1eGaoESIqCRTbB/view?usp=drivesdk";
}
}, 1000);
}

💡 Teacher’s Tip
Encourage students to read the sentences aloud — it helps them hear whether “a” or “an” sounds right.
Use pictures (apple, elephant, sun, etc.) for visual learning.
Revise daily with 5 sentences as a warm-up activity.