In this exercise, you're being asked to fill in the blanks using 'a', 'an', or 'X' before the words provided. 'A' is used before words that begin with a consonant sound, and 'an' is used before words that start with a vowel sound. 'X' is used when no article is required. Let's go through each of the blanks:
Sreeja works in a hospital.
'A' is used because 'hospital' begins with a consonant sound 'h'.
That is Ashwini. He is a police officer.
'A' is used because 'police officer' starts with a consonant sound 'p'.
This is Bhola. He is a plumber.
'A' is used because 'plumber' begins with a consonant sound 'p'.
Please boil an egg for me.
'An' is used because 'egg' starts with a vowel sound 'e'.
Mr Saini is an English teacher.
'An' is used here because 'English' begins with a vowel sound 'e'.
Now, let's address the 'B' section by filling in the blanks with 'a', 'an', or 'X':
A star
'A' is used because 'star' begins with a consonant sound 's'.
A year
'A' is used because 'year' starts with a consonant sound 'y'.
X books
'X' is used because 'books' is in plural form, and typically articles are not used with plural nouns unless more specific information is provided.
An egg
'An' is used because 'egg' begins with a vowel sound 'e'.
A wall
'A' is used because 'wall' starts with a consonant sound 'w'.
X apples
'X' is used because 'apples' is in plural form, and no article is used with plural nouns unless specified.