When filling in blanks with appropriate articles, it's important to know when to use 'a', 'an', and 'the'.
a) Give him a one rupee coin.
Use 'a' here because 'one rupee coin' starts with a consonant sound ('w' sound in 'one').
b) She reads the Times of India daily.
Use 'the' because 'Times of India' is a specific newspaper, and 'the' is used for specific items or names.
c) It was an exciting match.
Use 'an' before 'exciting' because 'exciting' begins with a vowel sound.
d) Sarita's brother is an engineer in UK.
Use 'an' here because 'engineer' starts with a vowel sound.
e) Lata Mangeshkar was a great singer.
Use 'a' here because 'great singer' starts with a consonant sound.
In summary, 'a' is used before words that begin with a consonant sound, 'an' is used before words that begin with a vowel sound, and 'the' is used for specific or unique references.