Answer:
1. We see <u>the </u>moon at night.
2. Kitty put<u> an</u> ice cube in her lemonade.
3. <u>The</u> Book you want is not in <u>the</u> library.
4. This is<u> a </u>peacock. <u>The p</u>eacock has colourful feathers.<u> </u>
5. May I have <u>an </u>envelope<em>? </em>I will put my letter in the envelope.
6. Peter bought <u>a </u>new bike. <u>The b</u>ike is red and black.
7. There is <u>an </u>orchard nearby. <u>The </u>orchard has many apple trees.
8. <u>The </u>Ganges is <u>a </u>holy river.
9. Can I have <u>a </u>piece of cake? <u>The </u>cake is very tasty.
10. Priti bought <u>a </u>new raincoat. The raincoat is transparent
Explanation: If the next word begins with a vowel a,e,i,o,u or sometimes h, use <u><em>an.</em></u>
<u><em>* </em></u><em>A peacock has colourful feathers. </em>is also acceptable.
5. May I have <u>the </u>envelope<em>? is also acceptable if there is only one envelope available.</em>
5. May I have <u>an </u>envelope<em>? </em>
8. <u>The </u>Ganges is <u>a </u>holy river. <em>In the USA we pronounce "holy" with an aspirated "h" so </em><u><em>a </em></u><em> holy river. There are some places where "holy" is pronounced with an unaspirated "h" so they would write </em><u><em>an holy.</em></u>
<em>We would write </em>The train will arrive in an hour. H is not aspirated in "hour."